81-121 mistakes legal studies yearly Flashcards
Who are witnesses?
Witnesses are people who know something about the case and who give evidence in court about what they know.
Can police officers be witnesses?
The prosecution witnesses include the police officers who investigated the case and arrested the alleged offender.
Define crime scene
Any physical location in which a crime has occurred or is suspected of having occurred.
Define primary crime scene
The original location of a crime or accident
Define secondary crime scene
An alternate location where additional evidence may be found.
Define suspect
Person thought to be capable of committing a crime.
Define accomplice
Person associated with someone suspected of committing a crime
Define alibi
Statement of where a suspect was at the time of a crime.
Define testimonial evidence
Testimonial evidence includes oral or written statements given to police as well as court testimony by people who witnessed an event.
Define physical evidence
Physical evidence refers to any material items that would be present at the crime scene, on the victims, or found in a suspect’s possession.
Define trace evidence
Trace evidence refers to physical evidence that is found in small but measurable amounts, such as strands of hair, fibers, or skin cells.
Three types of evidence
Trace, physical and testimonial evidence
Role of police officers
POLICE OFFICERS are typically the first to arrive at a crime scene. They are responsible for securing the scene so no evidence is destroyed and detaining persons of interest in the crime.
What is the purpose of CSI UNIT documents?
The CSI UNIT documents the crime scene in detail and collects any physical evidence.
Role of detectives
DETECTIVES interview witnesses and consult with the CSI unit. They investigate the crime by following leads provided by witnesses and physical evidence.