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- Basic Tracking for SAR Module
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- A considerable amount of time can be saved if Tracking is initiated
early in a search. Just a direction of travel can reduce the time it
takes to effectively find the subject.
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- Following sign or tracks left by someone
or something, it is used to detect the path (direction, movement) of
someone, something.
- The art of being able to locate, identify and pursue sign, and from
intelligent interpretations and
deductions, gain reasonably
accurate information about the
quarry concerned [ "The SAS Guide
to Tracking", Bob Carss ]
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- Direction of Travel
- Consider the potential of a lost subject that can travel 2 mph. If the
direction of travel is unknown,
but the last known point [ LKP ]
has been determined,
theoretically, the subject could have traveled as follows:
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- The maximum possible area within which the subject might be found.
- Calculated by the maximum possible distance the subject could have
traveled in any direction from the “Last Known Point” [ LKP ]
- Must take into account the mode of travel, walking, driving, flying;
(the speed of the subject).
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- Travel Time Travel
Distance Search Area
- 1 Hour 2
Miles
12.6 square miles
- 2 Hours 4
Miles
50.3 square miles
- 3 Hours 6
Miles
113.10 square miles
- 4 Hours 8 Miles 201.06
square miles
- 5 Hours 10 Miles 314.16
square miles
- 6 Hours 12 Miles 452.39
square miles
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- Serves as a “Reality Check”
- Can be dramatically reduced by discovering a “Direction of Travel”.
- Limitations:
- Usually too large to be effectively searched.
- Mode of travel may change, for example, the Alzheimer’s patient found a
ride.
- Subject may keep moving, so your “TSA” is ever expanding.
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- Imagine the effect on search
management planning of being able to determine the direction of travel
by using tracking to find the
first few footprints.
- Isn't it worth investing 30 to 40 minutes at the last known point [ LKP ]
to eliminate 85% of the potential
search area.
- Investigative Tool
- Used for the collection of evidence
- Used to prove subject was in area.
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- However tracking, when applied to SAR
missions, becomes a more complex
skill. It not only concerns itself with detection, but with interpretation of
clues as well.
- Tracking is both an investigative strategy and an operational tactic SAR
tool.
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- Can and should be applied early in the
search mission to discover evidence
- Supplements existing search skills.
- Me more aware of clue possibilities
- Helps reduce the possible search area
by establishing a direction of travel.
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- Tracking can be slow and tedious
- Requires trained and well seasoned trackers.
- Must locate a positive known track to start.
- Sometimes cannot be used due to long
periods of time before tracking teams are notified.
- Previous search efforts may damage sign.
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- But….It takes: willingness to learn, patience, determination, hard work and practice
"Dirt Time"
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- Clothing, PPE (personal protective
equipment)
- Tracking stick
- Tape measure
- Notepad/Pencil/Tracking Card
- Trail tape
- Flashlight
- Compass
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- Clothing should be appropriate for the
weather and terrain. A broad brimmed hat for protecting the eyes from the
sun, and shading tracks
- Safety glasses for the eyes
- Good well fitting boots
- The tracker must be able to work
comfortably
- Knee pads to protect the knees when
crawling on the ground.
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- A light in weight, durable stick,
approximately 40 inches long is best, this stick should have two "O"
rings or rubber bands on it for
measuring.
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- A measuring device, to measure from 3 to 6 foot long.
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- Tracking card
- A tracking note card specially designed
for taking notes about tracks.
- For taking notes about the sign/track or
operational assignments.
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- Suitable trail tape to mark the sign/tracks
- Also used to cordon-off evidence or sign
to prevent damaging sign/tracks.
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- To illuminate the sign/tracks during both day and night follow-ups.
- Small, light weight, your own personal
choice.
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- Some type of navigational equipment.
Compass, GPS, Map.
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- Track by Track
- Joel Hardin
- Locate and find each and every step
- Tactical Tracking
- David Scott-Donelan
- Visual tracking, law enforcement, military
- Tracking (pressure releases)
- Tom Brown
- Detailed study of pressure releases
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- A tracker must protect every sign.
- Any clue is important.
- Always be track aware.
- A tracker or searcher stepping on a good
sign or track is inexcusable.
- Once a sign/track is destroyed it is gone forever.
- All sign/track are considered evidence.
- Tracking is not a race to see who finishes first. It is an exercise in accuracy
and efficiency.
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- Allows for consultation
- When training, it builds confidence,
reduces errors, and benefits students by allowing verbal exchange of details.
- All members are cross trained in all team roles so they can be rotated to
prevent fatigue.
- Allows the team to split up if several
trails diverge.
- A team is self contained and provides all of its equipment needs.
- Helps relocate lost sign/tracks more
efficiently.
- A team is versatile and can be
used in other roles besides
tracking.
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- 3 person team, Point/tracker and a right
and left flanker
- 4 person team, Controller/Team leader,
a tracker, and a right and left flanker.
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- A 4 person team with the addition of a
K9 and K9 handler.
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- Controller/Team Leader
- Point or Tracker
- Flankers
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- Usually used in 4 person team or STSAR
team.
- Responsible for movement of team
- Responsible for communications and
navigation between team members and base camp.
- Maintains discipline in the team
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- Stays just behind last track found
- Keeps flankers from obliterating sign
- Coordinates efforts of team in three
person configuration.
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- Watch the side for incoming tracks that
might confuse the situation
- Watch for sudden turn of trail being
followed
- Help the Point/Tracker find the next
track from their vantage point.
- In tactical tracking follow-ups responsible for the security of the team as well.
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- The team should practice together to
maintain optimum results.
- The team should be equipped for self
reliance in the field.
- The team members need to rotate their
positions periodically to reduce eye strain and fatigue.
- Periodic rest periods should be used to
counteract any overall fatigue that might disrupt the mission.
- Team members, space yourself several
yards apart, but stay in visual and/or vocal contact.
- Do not allow unnecessary personnel in
the area where sign is to be cut.
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- We will be dissecting the tracks, so we will be disturbing the tracks
and sign for educational purposes throughout this class.
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- "Evidence that a person, animal, or
machinery has traveled this way, not limited to just footprints.
- Two types of sign.
- Top sign or Aerial sign, above the ankle
- Ground sign, below ankle
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- Top sign or Aerial sign, above the ankle
- Ground sign, below ankle
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- Changes in vegetation color.
- Unnatural vegetation position.
- Cutting of vegetation
- Disturbance of vegetation.
- Disarranged cobwebs.
- Bruised moss, trees, limbs, branches.
- Dew swept from vegetation
- Broken twigs, branches, and leaves.
- Scratches on trees.
- Birds or animals being startled.
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- Foot and scuff marks
- Footprints
- Bruised or bleeding roots or vegetation.
- Disturbance to insect or animal life.
- Disturbed leaves, stones, sticks, twigs,
worm casts, mole hills.
- Disturbance or color changes to ground
vegetation.
- Mud, sand and soil transfer.
- Disturbed water
- Dew swept from vegetation.
- Flattening and color changes
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- When to look.
- How to look
- Where to look
- Effects of light
- Tracking at night
- Phases of sign detection.
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- The best time is when the sun is low, in
morning or late afternoon.
- Tracking at night is possible and may be
easier because the light source and its angle is controlled.
- Tracking midday is difficult and should be avoided if possible.
- It should be employed anytime a single
piece of evidence is found.
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- Change your view from the big, overall
picture to the small minute details
- Varying the focus can stimulate the eyes, periodically look up and away, can
bring back perspective.
- Take your time don't miss anything. You
may not get another chance.
- Let your eyes set the pace not your
adrenaline charged feet.
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- Start looking where sign is most likely to be found, start at [ LKP ],
investigate it completely.
- Look where the person being sought spent
enough time to leave evidence.
- Look where the person would have
walked.
- Obviously sign/track is most easily seen in moist sand or firm moist mud.
- Muddy areas, salt flats, fields of high
grass, river and creek banks, steep embankments, dusty roads or trails
will show signs readily.
- Do not overlook the sides of paved roads.
- Game trails or travel aids such as fence
lines or power lines, utility pipe lines.
- Periodically test the area by testing your own print.
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- Use the available light source to your
advantage, face the sun and cut at a ninety degree angle to the direction
of travel.
- Clouds diffuse the light.
- The sun overhead diminishes the
shadow effect.
- Sign/track are usually easier to see facing the light source, with the light
source being at a low angle to
the ground.
- Move around into a position to optimize
the angle to the light source.
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- Artificial light source can be rotated
completely around the track from a low angle to allow for the best view.
- If the lost person stops to rest, it allows trackers to catch up.
- There are not as many distractions at
night.
- Your light source will focus your eyes and your attention.
- Beware: bright lights diminish your night vision.
- The ideal flashlight should be light in
weight, durable, with a long battery life.
- Some trackers attach lights to their legs or tracking sticks to obtain the best
angle.
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- Whenever a person walks through an area
evidence (sign/tracks) is left behind
- First phase is the detection of the sign
- Second phase is following sign/tracks, the follow-up.
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- Common disturbances
- Aging
- Visual Attractions
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- Embedded soil particles
- Crushed/damaged vegetation.
- Sole patterns.
- Toe digs.
- Flattening.
- Buried or dislodged pebbles, sticks, or
twigs.
- Color changes
- Outlines.
- Transfer.
- Examples:
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- A process that allows the determination
of how much time has gone by since the track was made.
- Usually due to environmental
conditions.
- Difficult to teach, comes with practice.
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- Outline or boundary, perimeter line
around an area.
- Possible shape large enough to be a
human print.
- Contrast or difference in color, texture, or shape from its surroundings.
- Color wavelength of light seen by the eye
- Texture change rough or smooth.
- Looking for cues rather than full prints
allows tracker to see more and gather more information.
- Looking for something that does not
belong.
- Look for abnormalities.
- Do not look for preconceived shapes or
objects.
- Look for parts of the whole.
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- Characteristics of footfalls
- Human gait
- Most generally when walking on flat
ground, human tracks strike at heel and roll forwards to the toes.
- Cross section of a track
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- Walking
- Fast Walk
- Jogging
- Running
- Mental/Physical states
- Heavy Loads
- Uphill
- Downhill
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- Regular patterned impressions, equal
depth and contact points.
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- Irregular heel strikes
- Deeper toe digs
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- Deep toe digs.
- Longer stride.
- Light heel strikes are common.
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- Irregular stride.
- Deeper heel strikes
- Deep toe digs.
- Skid marks if in a panicked state of
mind.
- Poorly placed footfalls.
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- Stride can change with mental state of
person.
- Tired or physically challenged persons
may have a shorter pace and tend to display drag marks.
- Seriously injured person may be on
their hands and knees.
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- Footfalls maybe placed closer together.
- Prints will be deeper.
- Subject may take easier more direct
paths.
- Drag marks may be apparent.
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- Side of foot may be visible due to going
uphill at a angle.
- Toe digs may be visible
- Heel strikes may be non existent
- Stride shortens when going uphill.
- Steeper the slope the closer the
footfalls.
- Vegetation will be pushed uphill.
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- Stride lengthens when going downhill.
- Heel strikes may be the only part
visible.
- Vegetation will be pushed downhill
- Maybe signs of sliding or skid marks.
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- Direction of travel
- Straddle
- Stride
- Width of track
- Length of track
- Pitch
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- REGULARITY, lines shapes arches
pressed into the soil which is not normally seen in nature.
- FLATTENING, leveling or depression of
soil
- TRANSFER, the deposit carried forward
over an area the subject moved from one environment to another. ( soil,
mud, water, oil, blood, etc. )
- COLOR CHANGE, difference in color of
objects that surrounds the sign
- DISCARDABLES, gum wrappers, cigarette
butts, etc.
- DISTURBANCES, change or
rearrangements to the natural state.
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- Track Pattern (Bare Soil)
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- Athletic Shoe
- In Wet Sand
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- Child’s Print
- In Wet Sand
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- Small piece in or outside each track
- Used to flag last known positive track.
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- Small upright flags placed in or outside of tracks
- Used to flag last known positive track
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- Marks drawn in soil to indicate tracks
- Circle full tracks
- Semi-circle with right/left print identifier.
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- Measurement
- Sketch
- Notes
- Communication
- Tracking Note Card
- Photography
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- Measurements of specific parts of a
print can separate one track from
another.
- Size of the print can help determine the
size of the subject.... or can it?
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- Sketching a print can help others to
know what print to look for.
- Serves as a memory jogger.
- May be used as evidence in a court of
law.
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- Lug sizes, areas of wear or patterns
can distinguish one print from others.
- Several prints in a row can determine
stride length and direction of travel..
- Details
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- Length and width of print and heel.
- Number and type of lugs.
- Number or spacing of stitches/nail
holes.
- Shape of leading edge of heel.
- Shape of toe.
- Specific shape of marks in pattern.
- Specific way of walking, dragging,
scuffing, toes in or out, etc.
- Tendencies or trends in where the
subject walks, over around or through obstacles.
- Wear marks, cuts, unique details.
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- Periodic Status reports should be done
with Search Management.
- If multiple tracker teams are being used
in the follow-up constant
communication between teams should be attained.
- Keep in mind who might overhear the
communication.
- Predetermined radio traffic reports or
Situation Reports ( SITREP's ) can be used.
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- Length of print ( heel to toe )
- Width of print at widest point
- Length of heel back to front
- Width of heel.
- Distinctive marks made by sole or heel.
- Logos or writing
- Wear marks
- Sketch the sole patterns.
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- Photographing a track is a good idea
but should not replace a sketch.
- A drawing brings details to the attention of the tracker.
- Subtle marks may not be visible in a
photo.
- An excellent text book on techniques in
photographing tracks is " Footwear Impression Evidence 2nd Edition,
by William Bodziak".
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- Step by Step
- Jump Tracking
- Tracking Stick
- Tactical/Visual Tracking
- Sign Cutting
- Lost Track Recovery Methods
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- Trackers observe and identify each and
every track.
- Leaves little doubt as to tracking the
right subject.
- Often times a Tracking Stick is used to
aid the follow-up procedure.
- Using the Tracking Stick.
- Find or make a stick approximately 40
inches long.
- Place two rubber bands or "O" rings on the end of the stick to measure
track length and stride.
- To determine the stride of the person
you are tracking measure the distance from the heel of the back print to
the heel of the front print.
Position the rubber bands or
"O" rings appropriately.
- Place the other marker to show length
of track.
- On the last print found hold the stick so the stride mark is held close to the
heel.
- Move the tip of the stick in a sweeping arc which covers the area where
the next track should be.
- During the sweep the point of the stick should indicate where the track
should fall.
- Use slow sweeping motion.
- Slow and tedious.
- Can incorporate the "Jump Tracking" method to decrease the
time/distance gap.
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- Find or make a stick approximately 40
inches long.
- Place two rubber bands or "O" rings on the end of the stick to measure
track length and stride.
- To determine the stride of the person
you are tracking measure the distance from the heel of the back print to
the heel of the front print.
Position the rubber bands or
"O" rings appropriately.
- Place the other marker to show length
of track.
- On the last print found hold the stick so the stride mark is held close to the
heel.
- Move the tip of the stick in a sweeping
arc which covers the area where the next track should be.
- During the sweep the point of the stick
should indicate where the track should fall.
- Use slow sweeping motion.
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- Used in Military and Law enforcement
Operations.
- Sometimes used in SAR missions with
and without K9's
- A faster paced visual tracking method
- Trackers observe 20 to 30 feet ahead of
themselves.
- Usually uses 4 person teams or STSAR
teams.
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- Initially, tracking can be used
effectively to find clues. When prints have not yet been discovered, searching for a starting point is sometimes called " SIGN
CUTTING"
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- The purpose is to discover sign at a
farther distance from the last sign.
- This cut can range from several yards
to several miles depending on the
terrain and how long the person has been missing.
- The shape can be any size but the loop
must be completed even if sign is
found.
- If no sign is found, no one has been in
there.
- Use natural barriers, areas where
sign/track are easily seen.
- Do not allow anyone to walk or drive
into area.
- Each cut should be made carefully.
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- Sign Cutters cut a perimeter around a natural boundary, if no sign goes
into the area the subject has probably not entered the area
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- This eliminates an entire area without searching by grid. A tactic such
as this can save a considerable amount of time.
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- Look First
- Re-asses the direction of travel
- Change your position from standing to
kneeling.
- Consider the Tracking stick. It gives you a guide that may point out the
next track.
- Cast out in a circular manner
- First 15 to 20 feet from last known track.
- 2nd farther out 15-20 yards.
- Banks of creeks or rivers.
- Look on both sides of roads and trails.
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- Only a tracker decides when not to use
tracking.
- Don't think that tracking will always
work, but focus on it when it will.
- Tracking is most effective when used
within an efficient management
scheme.
- All searchers must be track aware.
- Don't give up and always consider the
subject is evading.
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- The most experienced trackers should cut
sign and continue in a method
appropriate to the type of search, ( step by step, visual, jump tracking ).
- From subject profiles determine what
size print and approximate stride.
- Keep others away to avoid confusion
and destruction of evidence.
- Consider using "Perimeter Sign Cutting"
- Get the most recent maps available,
USGS 7.5 minute topo maps are good for foot travel.
- Get as much information about the lost
subject as you can.
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- Speed/Distance
- Concealment or disguise of tracks.
- Other methods used.
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- CONCEPT: Trying to put as much
distance between the tracker and the quarry.
- Speed can increase more obvious
sign/track left.
- Some tracking tactics can reduce this
time/distance gap quickly.
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- Brushing out tracks
- Restoring vegetation.
- Traveling on hard or stoney ground.
- Traveling on or in waterways.
- Foot coverings.
- Changing footwear.
- Walking backwards
- Walking along heavily used common
paths.
- Quick direction changes.
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- It is doubtful that the subject can brush out all the sign from start to finish.
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- Sometimes hard to do without leaving
more sign/track.
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- One of the most effective.
- Well seasoned trackers can still pick up
sign/track.
- Consider that the subject will probably
still have to leave this type of terrain eventually.
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- Look for disturbances
- Look for transfer.
- Look for where the subject left the
water.
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- Evidence should be picked up by
seasoned trackers.
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- Evidence should be picked up by
seasoned trackers.
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- Look for reversed impact points.
- Stride will be closer together.
- Pressure releases will appear
unbalanced.
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- One of the most difficult to overcome.
- Requires careful examination.
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- Need to use lost sign/track procedures
to regain follow-up.
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- There are other methods used to reduce
the amount of sign/track visible to the tracker, but we will not study
these areas in this basic presentation.
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- POSITIVELY identify the tracks you want
to follow.
- Mark or flag the starting point.
- Never walk on or destroy sign/track
- Do not get ahead of your last known
track.
- Know exactly where you are (
Navigation ).
- Keep in visual contact with your
teammates.
- Try to anticipate your subject(s)
- Know where your last known Positive
track was.
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- Sign/Track Observation Journal
- Training Aids
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- "Tracking a blueprint for learning how", by Jack Kearney, Pathway Press, 1996
- Universal Tracking Services, Joel
Hardin
- NASAR: Fundamentals of Search.
- "The SAS guide to Tracking", by Bob Carss, 2000, The Lyons Press.
- "Tactical Tracking Operations", by David Scott-Donelan, 1998,
Paladin Press
- "The Science Art of Tracking", by Tom Brown Jr.
- "Footwear Impression Evidence" 2nd edition, by William Bodziak
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- This then is the ultimate goal in training SAR workers to track. Not to
become expert, but to be "TRACK
AWARE". To become aware that
it is virtually impossible for a
person to through an area without
leaving substantial evidence of
his/her passing.
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- I know your going to ask when we get out in the field, so let’s cover it
now………
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- Email: fisher_ted22@hotmail.com
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169
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|
|
170
|
|