Crime Scene Investigation and Evidence Collection

This person documents the crime scene and collect physical evidence

• Crime Scene investigator

• First responder

• Specialist

A location other than where the crime took place, but is in the same way related to the crime and where evidence is found

• Primary Crime Scene

• Secondary Crime Scene

• Trace Evidence

A written record of all people who have had possession of an item of evidence.

• Chain of Custody

• Trace Evidence

• Locard exchange

Any place where evidence maybe located to help explain events.

• Secondary Crime Scene

• Crime Scene

• Circumstantial evidence.

Match the following

• DNA

• An alternate location where additional evidence may be found

• Suspect

• Type of evidence found in blood, contains genetic information

• Secondary Crime Scene

• The original location of a crime

• Primary Crime Scene

• Person thought to have committed a crime

• Trace

• Physical evidence in small but measurable amounts

What is the purpose of Crime Scene Investigation?

• To document, collect, and secure evidence

• To arrest the suspect

• To clean up after the crime

• To solve the crime

example of this evidence is an eye witness account of a crime, or a recording of the crime.

• Direct Evidence

• indirect evidence

• Circumstantial evidence

indirect evidence, or evidence used to imply what happened at the crime scene

• direct evidence

• Circumstantial evidence

• secondary evidence

Small but measurable amounts of material found at a crime scene.

• trace evidence

• individual evidence

• Circumstantial evidence

A cross transfer of evidence between a suspect and victim

• Chain of Custody

• District Attorney

• Locard Exchange principle