CPD Investigation & Evidence 2

Question 1

At a crime scene, an officer discovers a bloody knife near the victim. What is the FIRST step before collecting this evidence?

Accepted Answer

Photograph and document the knife in its original position

Answer

All physical evidence must be photographed and documented in situ before it is collected or disturbed.

Question 2

Under the 'plain view' doctrine, an officer may seize evidence without a warrant only if:

Accepted Answer

The officer is lawfully present, the item is in plain view, and its incriminating nature is immediately apparent

Answer

Plain view requires lawful presence, open visibility, and immediately apparent incriminating character.

Question 3

Which type of evidence refers to a witness's direct sensory observation of an event?

Accepted Answer

Direct evidence

Answer

Direct evidence is based on a witness's firsthand perception through sight, hearing, or another sense.

Question 4

An officer conducting a custodial interrogation must advise a suspect of Miranda rights because:

Accepted Answer

The Fifth Amendment protects against compelled self-incrimination

Answer

Miranda warnings are constitutionally required before custodial interrogation to protect Fifth Amendment rights.

Question 5

What is the primary purpose of maintaining a chain of custody for evidence?

Accepted Answer

To ensure evidence integrity and admissibility in court

Answer

Chain of custody documents every person who handled evidence, ensuring its integrity and making it admissible at trial.

CPD - Chicago Police Department Practice Test