CSI Book Flashcards
“Father of criminal investigation”
Founded first private investigator agency.
Database of 30,000 know offenders in 1826
Eugene Vidocq
Three distinct periods of American Criminal Investigation
Prescientific period
Scientific period
Technological period
First and oldest federal law enforcement agency in the United States
US Marshal service
The first legal requirement that must be satisfied in order for a criminal investigation to proceed, is determining the ______ (Latin for body of crime) of a suspected criminal activity.
Corpus delicti
The crime elements require both an act on the part of the suspect and a mental state. The act requirement is referred to in legal terms as _______.
Actus reus
Evidence to suggest the validity and reliability of other types of evidence. For example, a suspect claims that he was nowhere near the crime scene wanna murder occurred. He provided a credit card receipt from a motel room to cooperate his alibi that he was out of town during the date and time of the murder.
A. cumulative evidence
B. Corroborative evidence
C. Direct evidence
D. Circumstantial evidence.
B. Corroborative evidence
Evidence that is easily perishable or destroyed
Transient evidence
Taking photographs of certain impression evidence; namely, foot prints and tire tracks and dirt send mud carpet, or Dusty surfaces should be taken in_________.
Black and white film and oblique lighting
Crime scene sketches
Birds Eye cross projection is for?
Most commonly used to depict ground level areas such as flooring space and provides 2 dimensional view.
Crime scene sketch
Two dimensional perspective SIDE VIEW
Elevated perspective
Taking crime scene measurements:
This method is best used in indoor crime scenes and requires the identification of two fixed adjacent points within the crime scene to create a horizontal and vertical axis.
A. Baseline coordinates
B. Rectangular coordinates
C. Triangulation
D. Polar coordinates
B. Rectangular
What individual pieces of evidence have in common are called:
Class characteristics
At least ___ pieces of class evidence and ___ piece of individualized evidence = identification
2 class + 1 individual
Iodine fuming
Works well on paper products.
Turns from clear to brown.
Photo before it turns clear again
Ninhydrin
Causes latent print to turn bluish purple for 2-3 hrs
Works good on lotus surfaces
Silver nitrate
Expose to sunlight or UV for 10 min produces yellowish then gray/ black print.
Should be used as last resort
Super glue fuming (cyanoacrylate)
White visible appearance
Can be enhanced by other chemicals
CSI types of intelligence.
What type of intelligence is used to gather information within a narrow time frame to identify offenders and their targets?
A Tactical intelligence
B Strategic intelligence
C Evidential Intelligence
D Operational Intelligence
A tactical intelligence
Types of intelligence
What type of intelligence is used for post-arrest activities such as prosecuting and convicting offenders?
A tactical intelligence
B strategic intelligence
C evidential intelligence
D operational intelligence
A tactical intelligence
Types of intelligence
What type of intelligence focuses on analyzing organized crime networks and terrorist groups?
A tactical intelligence
B Strategic intelligence
C Evidential intelligence
D operational intelligence
D operational intelligence
Types of intelligence
What type of intelligence focuses on specific large scale criminal activities over an extended time period for purposes of gathering more detailed intelligence on specific criminal activities, offenders and their targets?
A tactical intelligence
B strategic intelligence
C evidential intelligence
D operational intelligence
D operational intelligence
Types of intelligence
What is the primary goal for strategic intelligence?
A gathering information derived from known specific pieces of evidence?
B use intelligence analyses to implement short term tactical enforcement strategies?
C Developing a long term big picture of a particular crime problem?
D reduce criminal organizations to their basic membership structure or cells?
C developing a long term big picture of a particular crime problem.
CSI ch 5
_____ assumes that certain involuntary verbal reactions from suspects as well as body and eye movements can be used to identify one suspects are being deceptive during an interrogation session.
A. Behavioral analysis
B. Lie detection
C. Interrogation profiling
D. Neuro linguistic programming (NLP)
D. NLP
CSI chapter 9
FBI has __ classifications for homicide
A) 3
B) 4
C) 5
D) 6
D 6
