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The student will be able to summari
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8. Do not permit personnel to begin
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Communication, between the search p
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Determining the search method and a
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Since all crime scenes are unique i
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Strip or Line search. This method,
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Circular (spiral or concentric) sea
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Elevation Zone Search
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Some investigative tools and equipm
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Bloodstain PatternDocumentationABFO
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Trace Evidence CollectionAcetate sh
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ImpressionBowls/mixing containers.B
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Guideline for conducting a crime sc
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Methods of conducting a preliminary
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Field notes
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Protection of a crime scene.Protect
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Once evidence has been located, rem
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Conducting a final survey of the cr
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After the Search is complete, but p
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The importance for maintaining a ca
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The importance for conducting a fol
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Sketching and Photographing
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The main reasons for using crime sc
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The crime scene sketch should inclu
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The finished sketch.a) A finished s
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D) If requested, dimensions and des
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The schematic sketch:Used to repres
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Prevalent sketch:Sketch of the gene
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Compass direction.A standard arrow
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Suitable scales for use in police w
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TitleThe title should contain data
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Rectangular CoordinatesObjects are
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Reasons for taking Crime Scene Phot
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Photographs should be taken prior t
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Photographic Log1. It is a complete
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Mid-range photographs.a. Usually ta
- Page 79 and 80: 3. Centering on the results of the
- Page 82 and 83: General standards used to review th
- Page 84 and 85: The relationship between crime scen
- Page 87: 10 feet from base point 1 to base p
- Page 90 and 91: The methods of classifying fingerpr
- Page 92 and 93: The only patterns usually used to d
- Page 94 and 95: Methods for identifyingFINGERPRINTS
- Page 96 and 97: Types of PatternsFingerprints may b
- Page 98 and 99: Identification points1. Bifurcation
- Page 100 and 101: Latent Impressions (patent fingerpr
- Page 102 and 103: The quality of latent impressions c
- Page 104 and 105: Protect all areas, as best you can,
- Page 106 and 107: Dusting for Latent ImpressionsFor h
- Page 108 and 109: Powder should be used sparingly.Dis
- Page 110: Use lifting tape large enough to co
- Page 113 and 114: Ninhydrin.This chemical acts as a d
- Page 115 and 116: This solution reacts with sodium ch
- Page 117 and 118: Print development by this method de
- Page 119 and 120: In order Three to speed to four up
- Page 121: THE AFIS SYSTEMAFIS technology uses
- Page 124 and 125: First things first, make sure the p
- Page 126 and 127: Recommended equipment:Inking plateC
- Page 128 and 129: In taking rolled impressions, the s
- Page 132 and 133: Case number.Exhibit number (when nu
- Page 135 and 136: Definition:A list of persons handli
- Page 138 and 139: After you have decided what is the
- Page 140 and 141: Different classes of evidence:Weapo
- Page 142 and 143: Soil(dirt, mud, sand, ect..)Dry soi
- Page 144 and 145: Beware of acids and caustics that a
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- Page 148 and 149: Never stick anything, such as a pen
- Page 150 and 151: Weapon may now be processed for lat
- Page 152 and 153: Never retain a loaded weapon, unloa
- Page 154 and 155: Loaded firearms.Revolvers.(1) Mark
- Page 156 and 157: Semi-automatic handguns(1) Usually
- Page 158 and 159: Glass evidence1. Glass fragments ca
- Page 160 and 161: e. Glass on the ground should be ca
- Page 162 and 163: Paint evidencee. Smeared paint, par
- Page 164 and 165: Controlled substances.1. Keep drugs
- Page 166 and 167: d. Tablets or capsules - package in
- Page 168 and 169: Prints and impressions.Prints and I
- Page 170 and 171: Hair and FibersIt may be necessary
- Page 172 and 173: A. AIDS is caused by a virus, which
- Page 174 and 175: After finishing with a crimescene,
- Page 176 and 177: Spills of blood or other potentiall
- Page 178 and 179: When a dried bloodstain is scraped,
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When a dead body is discovered and
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Personal Protective Equipment1. Han
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Special Storage Needs for Certain T
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ToolsProtect the working surfaces f
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DNA Evidence
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Two methods of DNA evaluationDNA an
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Examinations can determine the foll
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Maintaining a “chain of custody
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Collecting BloodSamplesLiquid blood
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Blood on surfaces or in snowor wate
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Air-dry small suspected wet bloodst
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Absorb suspected dried bloodstains
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Collecting saliva and urine samples
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Saliva on chewing gum1. Pick up che
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Salivaa. Absorb suspected liquid sa
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Saliva or urine stains from immovab
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Dry semen-stained objects1. Submit
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Dried semen stains on immovable obj
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Collecting hair samplesKnown hair s
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Pubic and Head CombingsPick up hair
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Collect teeth in the following orde
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Collecting DNA evidence from hats,
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Fingernails1. Use care when scrapin
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Doors and WindowsDoors and windows
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E. When DNA evidence is transferred
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Specific Crime Scene SearchesBurgla
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Evidence.1. Collect, mark, and inve
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Investigating an alleged robbery
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Crime scene search:Physical evidenc
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Investigating an alleged theftB. De
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Crime Scene1. Do not touch anything
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Investigating an alleged sexual ass
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f. Identify, collect, and preserve
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e. Specimens:Request slides even th
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If a suspect is taken into custody: