Police Test Police Test Evidence and Investigation

Question 1

What is the primary purpose of the chain of custody in evidence handling?

Accepted Answer

To document who had control of evidence at all times

Answer

To speed up evidence processing

Answer

To allow multiple officers to access evidence freely

Answer

To reduce paperwork requirements

Question 2

When collecting trace evidence at a crime scene, an officer should use:

Accepted Answer

Tweezers and paper envelopes or bags

Answer

Bare hands to avoid contaminating containers

Answer

A vacuum cleaner for efficiency

Answer

Tape only, regardless of evidence type

Question 3

Which of the following best describes 'probable cause' in the context of a search?

Accepted Answer

A reasonable belief based on articulable facts that evidence of a crime will be found

Answer

A hunch based on prior experience

Answer

Permission granted by a supervisor

Answer

Any suspicion that justifies further investigation

Question 4

A detective discovers a witness is willing to testify but lives out of state. The proper tool to compel that witness to appear is a:

Accepted Answer

Subpoena

Answer

Arrest warrant

Answer

Search warrant

Answer

Grand jury indictment

Question 5

Under the exclusionary rule, evidence obtained through an illegal search is:

Accepted Answer

Generally inadmissible in a criminal prosecution

Answer

Admissible if corroborated by other evidence

Answer

Admissible at the discretion of the prosecutor

Answer

Always admitted when the crime is serious

Question 6

When photographing a crime scene, officers should first take:

Accepted Answer

Overall/wide-angle photos to establish context before close-ups

Answer

Close-up photos of specific items of evidence

Answer

Identification photos of suspects on scene

Answer

Photos only of items they intend to collect