BCJ Forensic Science and Criminal Evidence 2

Question 1

What is rigor mortis and why is it important in death investigations?

Accepted Answer

The stiffening of muscles after death; helps estimate time of death

Answer

Rigor mortis is the temporary stiffening of muscles after death caused by chemical changes, and it helps forensic pathologists estimate the time of death.

Question 2

Which standard did the Supreme Court establish in Daubert v. Merrell Dow Pharmaceuticals for admitting scientific evidence?

Accepted Answer

A reliability standard assessed by the judge

Answer

Daubert v. Merrell Dow (1993) established that federal judges act as gatekeepers to assess the scientific reliability and relevance of expert testimony before it is admitted.

Question 3

What does AFIS stand for in forensic science?

Accepted Answer

Automated Fingerprint Identification System

Answer

AFIS (Automated Fingerprint Identification System) is a computerized database that stores and compares fingerprint records to identify suspects.

Question 4

Which type of evidence is considered circumstantial?

Accepted Answer

Muddy boots found at the suspect's home consistent with the crime scene

Answer

Circumstantial evidence requires an inference to connect it to a conclusion of fact, such as muddy boots suggesting a suspect was at a particular location.

Question 5

What is the primary use of blood spatter analysis in criminal investigations?

Accepted Answer

To reconstruct the sequence of events and position of individuals during a violent crime

Answer

Blood spatter analysis examines the size, shape, and distribution of bloodstains to reconstruct the events of a violent crime, including the position and movement of victims and assailants.

BCJ - Bachelor of Criminal Justice Practice Test

BCJ - Bachelor of Criminal Justice Practice Test

BCJ Forensic Science and Criminal Evidence 2