Forensic Science: Final Exam June 2025

Forensic science is best defined as:

• The study of criminal behavior

• The application of science to legal matters

• The analysis of blood patterns only

• The collection of fingerprints

The Locard Principle states that:

• Every criminal leaves DNA evidence

• Time of death can always be determined

• All evidence must be photographed

• Every contact leaves a trace

Which type of blood evidence analysis is most useful for identification?

• Blood type matching

• DNA profiling

• Blood spatter patterns

• Blood volume analysis

The first responder's primary responsibility at a crime scene is:

• Collecting evidence

• Securing the area

• Interviewing witnesses

• Taking photographs

The weapon suspected of causing head trauma in the JonBenét Ramsey case was:

• A baseball bat

• A golf club

• A flashlight

• A metal pipe

In forensic investigation, assumptions are:

• Necessary for conclusions

• Always to be avoided

• Equal to facts

• Required by law

Crime scene contamination can be prevented by:

• Using protective equipment

• Limiting access

• Proper documentation

• All of the above

Class evidence narrows an identity to:

• a. a group of persons or things.

• b. an individual person.

• c. an individual person or thing.

• d. a subgroup.

Criminal investigations depend on the observation skills of all involved. Those involved include:

• police investigators.

• forensic scientists.

• witnesses.

• All of the above

Chris Watts was found guilty of:

• hiding key evidence in a robbery investigation

• murdering his wife and daughters

• unlawful possession of a firearm

• abusing his wife and children