Chapter 2 Forensic Science

Any physical location in which a crime has occurred or is suspected of having occurred

• Forensics
• Accomplice
• Crime Scene
• Alibi

Any material items that are present at the crime scene

• evidence
• accomplice
• detectives
• police officers

Typically the first to arrive at a crime scene and they secure the scene

• detectives
• specialists
• district attorney
• police officers

Evidence can provide

• proof that a crime has been committed
• establish key elements of a crime
• exonerate the innocent
• all of the above

The CSI team includes

• Police officers and detectives
• District Attorney
• Specialists
• all of the above

Refers to small evidence like hairs of fibers

• physical evidence
• trace evidence
• suspect
• witness

What does Locard's exchange principle state?

• Every crime will be solved

• Every contact leaves trace evidence

• All physical evidence provides information

• Crimes cannot be solved without physical evidence

What type of evidence cannot prove 100% that a person was at the crime scene during the crime?

• Direct

• Circumstantial

True or False: Individual evidence would be more beneficial to an investigation than class evidence

• True

• False

Eyewitness testimony would be considered:

• Direct evidence

• Circumstantial evidence