#1
Which of the following is a primary goal of criminal investigations?
Fact-finding and truth-seeking
ExplanationIdentifying and establishing the truth behind criminal incidents.
#2
What does the term 'homicide' refer to in criminal investigations?
Killing of one human by another
ExplanationThe unlawful killing of one person by another.
#3
In the context of criminal investigations, what does 'M.O.' stand for?
Modus Operandi
ExplanationThe characteristic method of operation used by a criminal.
#4
Which of the following is NOT a typical motive for homicide?
Self-defense
ExplanationSelf-defense is not a motive for homicide but a legal justification for killing in response to a threat.
#5
Which forensic tool is commonly used to analyze bloodstains at a crime scene?
Luminol
ExplanationLuminol reacts with the iron in hemoglobin to produce a blue glow, making bloodstains visible even after attempts to clean them.
#6
What does the acronym 'CODIS' stand for in the context of criminal investigations?
Criminal Offender Database and Information System
ExplanationCODIS is a national DNA database used to identify suspects and link crimes through DNA evidence.
#7
What is the primary purpose of the Miranda rights in criminal investigations?
To inform suspects of their right to an attorney
ExplanationTo ensure that suspects are aware of their legal rights, including the right to legal counsel.
#8
What is the 'golden hour' in criminal investigations?
The first hour after a crime is committed
ExplanationThe critical period immediately after a crime occurs, often the most valuable time for investigators to collect evidence and gather information.
#9
Which type of homicide involves the intentional killing of a family member?
Parricide
ExplanationThe act of killing one's close relative, typically a parent or sibling.
#10
What is the primary purpose of forensic entomology in criminal investigations?
Determining time of death
ExplanationUsing insects found on or around the body to estimate the time of death.
#11
Which famous criminal profiling technique was developed by FBI agents John E. Douglas and Robert K. Ressler?
Criminal Investigative Analysis
ExplanationA technique used to profile unknown criminals based on behavioral evidence.
#12
What is the primary purpose of a forensic autopsy in homicide investigations?
To determine the cause and manner of death
ExplanationTo investigate and document the circumstances surrounding a person's death, including how and why it occurred.