Ch. 7 - Forensic Science and Psychology Flashcards
What is Bertillon credited with?
Mugshots and crime scene photography. Using a ruler for scale.
What is the Locard exchange principle?
If the offender comes into contact with objects at the scene of the crime, then the offender will leave traces of that contact on the objects.
What did Münsterberg study?
Eyewitness testimony and the psychology of false confessions.
Who are major crimes investigated by?
Identification (ident) officers; highly experienced officers who specialize in forensics.
Who are minor crimes investigated by?
Scene of crime officers (soco); typically less experienced than CSIs.
What has become the gold standard in evidence?
DNA evidence.
How is forensic psychology used in police recruitment and training?
It helps in determining suitability for police work.
What does psychological profiling of the offender do?
Uses all available information about a crime, crime scene, and victim in order to compose a profile of the perpetrator.
What does investigative psychology do?
It focuses on the classification and description of criminals and their activities; showing a connection between the offenders’ criminal behaviour and their everyday lives.
What sorts of factors impede the ability to get reliable eyewitness testimony?
Self-confidence, desire to make an identification, social influences, faulty instructions.
What is VIPER?
A huge database of volunteer mugshots so that police can pull a number of innocent people’s pictures from it to match a description.
What are two types of false confessions?
Voluntary and coerced.
What are reasons for false confessions?
Notoriety, protecting someone, failing to distinguish reality and fantasy.
What is a common factor in coerced confessions?
The confrontational nature of police interrogations.
What is the Mohan criteria used for?
Determining the admissibility of expert testimony.