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48 Cards in this Set
- Front
- Back
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First Responder
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Proceed to the scene
Render aid Effect an arrest Locate Witnesses Interview complaint Maintain Crime Scene Inform other police officers Note all conditions events rem Arrange for searching Report the incident Yeild Responability |
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Window of death
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When could he have died
When was the body found |
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Markers of scene
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News papers piled
Messages on machine Phone calls received State of dress Meal consumed last |
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Adjusting preliminary opinion
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Based on
Location of livor Degree of rigor |
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Early changes after death
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Cessation of breathing
Cessation of blood flow Skin pallor Muscle relaxation Eye change Blood Coagulation |
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Late changes after death
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Algor Mortis
Livor Mortis Rigor Mortis |
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Algor Mortis
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Cooling
Activity Illness Decompostion Infection Absorption of heat |
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Livor Mortis
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Discolorartion
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Rigot Mortis
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Stiffining
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Bodys cool by
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Radiation
Convection Direct transfer Careful concideration of clothes time and others need to be considered. |
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Formula for hours after death
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(98.6 - temp of body)/1.5
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Livor Mortis
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Immediate onset
Due to settline 2-4 hours after Max 8-12 hours before diss. |
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Livor Discoloration
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Pink= Cyanide/cold
Cherry= Carbonmonoxide Brown= Nitrates |
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Tardious spots
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Caused by ruptured capilaries
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Petechial Hemmorage
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1mm or smaller
Sign of asphxia |
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Teche Noir
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Drying of the eyes. Not Hemmorage
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Rigor Mortis
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Heat accelerates
Cold stops Immediate 1-6 hours Disapperas 12-36 |
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Rigor Mortis Unreliable if
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Old or young victim
Bad conditions Increased activity before death Temperature |
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Autolysis
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Breaking down through bodies own enzymes
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Factora of decomposition
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Clothing
Humidity Location Temperature |
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Class Characteristic
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Adds and Item to a group
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Specific Characteristic
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Single source
Identifies source or person |
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Lab Schema
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Macro
Micro Presumptive Confirmative |
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Crime scene reconstruction
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Objectivity
physical evidence Objective assesment logic |
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Death Certificate
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Legal proof of death "not cause"
Mortality stats Cataloge Disease and death Public Safety |
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Coroner
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Elected official
May not have training |
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Examiner Jurisdiction
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Unattended deaths
Accidental Homicides Suicides Deaths in custody |
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Manner vs cause
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Manner in which he died
Murder Natural suicide undetermined ect.... |
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Order of Autopsy
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As is photo
x-ray External Internal Histology Chemistry |
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X-ray
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Fire arms
Stabbings Pediatrics Cervical wounds |
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External
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Clothes
Personal affects Trace items Head to toe exam |
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PERK
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Physical Evidence Recovery Kit
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Head to toe
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Scars
Bruises Medical Interventions Tattoes Intervention |
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Mechanical Injury
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Sharp
Blunt Bullets Lacerations |
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Contact gun
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Bulge from gases
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Close gunshot
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Stipling
Up to a few feet |
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Letulle
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Remove organs in big block
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Ghon
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Remove organs system by system
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Virchow
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Organs removed one at a time
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Rohtikansky
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Do not remove organs or blood
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Primarly Identification
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DNA
Fingerprints Odontology Unique medical features |
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Secondary Identification
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Physical features
Anthropology Body Modifications Non unique medical features |
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Tertiary Identification
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Clothing
Location Personal effects |
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PCR
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DNA Amplifier
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Dactyloscopy
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Science of friction ridge comparison
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Dermal Pap
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Layer between dermis and epidermis
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Friction Ridge 1
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Includes General Ridges and patterns
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Friction Ridge 2
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Partial Ridges like endings or bifurications
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