Dismembers body, not social, has a car.
Leaves eidence, lives alone, contact victims family.
Lives close to crime scene, high school education, leaves body intact.
Does not live by them self, social, may consuming alchol before or during crime.
Shade: beetles infest corpse/Sun: takes longer for decompisition to occur.
Shade: Maggots and beetles have infested/ Sun: Blowflies and fleshflies infest the corpse.
Shade: Decomposition takes longer than it does in the sun./ Sun: more insect species are found.
Shade: maggots infest the head of the corpse first/ Sun: Maggots infest the feet first.
1. Sample is placed in a chamber 2. a acidic solution is added into the chamber. 3. the components of the sample are separated. 4. a microscope is used to identify the components.
1. A sample is injected into a heated chamber. 2. Gas and the sample is put into glass or steel tubing. 3. the sample is seperated in the tubing. 4. the components are seperated and entered into a detector.
1. A sample is placed under a microscope 2. a specialist identifies the components
1. The sample and gas are put into a glass tube 2. after a set amount of time the sample is moved into another tube that is coiled 3. by the time it reaches the end of the tube, the samples components are separated. 4. the components are then put into a detector.
What weapon(s) was used during the crime?
Does the offender like rainbows?
Where did the offender approach the victim?
What type of victim did the offender select?
Caucasiod: flared nasal area / mongoliod: rectangular orbits.
Caucasoid: sloped orbits / mongoliod: round orbits
Caucasiod: rectangular orbits / mongoliod: steep nasal spine
Caucasiod: steep nasal spine. / mongoliod: broader nasal area.
Lands and grooves
Many small droplets in one area.
Creates a circular pattern.
Creates a puddle of blood.
It's not a principle.
When a person comes in contact with a location, environment and/or person, trace evidence from each is found on each.
When a person comes in contact with an environment, the environment leaves trace evidence on the person.
When a person comes in contact with a location or an individual, the person leaves behind trace evidence from their person.