Physical Evidence

A(n) ______________ is when object(s) or materials have retained the characteristics of other objects or materials through direct physical contact

any object that can establish that a crime has or has not been committed or can link a crime and its victim or its perpetrator is known as _______________ evidence.

• Direct

• Circumstantial

• Physical

• Biological

What does the Locard Exchange Principle imply?

• fingerprints can help identify people

• wherever there is contact, something is left behind (evidence)

• for every action there is an equal and opposite reaction

• there is always some type of DNA left at a crime scene

small but measurable amounts of physical or biological material found at a crime scene

• individual evidence

• class evidence

• direct evidence

• trace evidence

A fingerprint would be

• Circumstantial and Physical

• Circumstantial and Biological

• Direct and physical

• Physical only

Correct collection of evidence requires which of the following?

• documenting the location where the evidence was found

• correct packaging of evidence

• maintaining proper chain of custody

• all of the above

Which of the following is an example of ballistic evidence?

• Shoeprint

• Shell casing

• Saliva

• Hair

A small but measurable amount of physical/biological material found at a crime scene - such as hair, fingerprints, paint chip, clothing fiber is called

• trace evidence

• circumstantial evidence

• microscopic evidence

• insignificant evidence

The two types of circumstantial evidence are

• direct and individual

• physical and biological

• class and individual

• biological and individual

What is the primary purpose of collecting physical evidence at a crime scene?

• To establish a timeline of events

• To identify the perpetrator

• To prove a crime has been committed

• To provide a motive for the crime