forensic medicine quiz 3

Ramsey Case

Ransom note for Jon Benet Ramsey found by Patsy Ramsey

• 4 friends + pastor entered & moved @ free will

• John Ramsey left by himself & returned w 2 friends (1.5 hr)

• removed sheet & body from basement brought to living room

druggist fold

powder residue

paper bag

blood stained evidence

pillbox

trace evidence

manila envelope

trace evidence

glass screw jar

wood/poured petroleum (suspected arson)

paint can

wood/poured petroleum (suspected arson)

sealable plastic bag

trace evidence

chain of custody/possession

all ppl handling evidence documented

• evidence not removed from the scene

identification of evidence

collector’s initials, collection date, location

crime scene procedure

1. check for scene safety

2. put on ppe

3. call 911 for surbvivng victims

4. identify perimeters

5. place cop on scene

6. place tape/barrier

7. preliminary walk through

8. identify entry/exit

9. lay down evidence markers & rulers

stages of crime scene

1. secure

2. recording

3. identifying

4. packaging

physical evidence

an obj that can establish that a crime has been committed or can link a crime and its victim or its perpetrator

securing scene

keep unauthorized ppl out, isolate area (guards, barricades, or ropes)

record scene

photography (still photos best)

• include various angles, area crime took place

• wall - wall (adjacent rooms),

• obj relative to space & close up (as w ppl)

videotaping

• slow & systematic, w narration

rough sketch

a sketch drawn at a crime scene that contains an accurate depiction of the dimensions of the scene and shows the location of all objects having a bearing on the case

• upper left: case number, address, date/time, type

• upper right: victim’s name, investigator’s name, assistant investigator’s name

• compass direction

• legend

finished sketch

a precise rendering of the crime scene usually drawn to scale

• polished, care for aesthetic appearance

• developed usually w cad (computer aided design)

notes

written description of scene w location of phys items

• identify time item found, by who, how & by whom packaged/marked, & disposition after collection

• can do so w tape recorder

when searching vehicles

hit & run outside & undercarriage

homicide/burglary/kidnapping all areas thoroughly searched