Key Vocab
The original location of a crime or accident
Primary Crime Scene
Statement of where a suspect was at the time of the crime
Alibi
The first step of the 7 Ss of Crime Scene Analysis
Secure the Scene
Helps to determine if any search warrants are required to proceed and obtains those warrants from a judge
District Attorney
An officer must split up individuals who may have witnessed a crime to ensure that they do not influence each other's testimony.
Separate the Witnesses
An alternate location where additional evidence of a crime may be found
Secondary Crime Scene
Physical evidence that is found at a crime scene in small but measurable amounts.
Trace
Means the same thing as Circumstantial Evidence
Usually the first to arrive at a crime scene; responsible for securing the scene and detaining persons of interest
POLICE OFFICERS
This step gives investigators an overall picture of the scene. They will identify where the crime took place. If applicable, they'll identify area(s) related to the crime but not where the crime took place
Scan the Scene
Person thought to be capable of committing a crime
Suspect
A second person associated with committing a crime
Accomplice
What type of evidence does the FBI consider to be the most valuable?
DNA
Determines the preliminary cause of death at the crime scene and conducts the autopsy
MEDICAL EXAMINER
A photography unit will take pictures of items identified during the initial scan. Pictures should be taken of the overall area, as well as close-ups, using evidence markers or a ruler for size
See the Scene
Any evidence found at a crime scene in the form of a physical object.
Physical
Type of evidence found in blood, body fluid, and tissues that contains genetic information and can be used to link a suspect to a crime
DNA
THE TYPE OF EVIDENCE THAT DEALS WITH DRUGS
TOXICOLOGY
May be called in if an expert is needed to analyze insect evidence or skeletal remains
SPECIALIST
All identified evidence must be collected and secured using specific techniques and procedures. These techniques keep the evidence from becoming damaged or contaminated. Each piece of evidence is logged onto an evidence log and marked with an evidence label.
Evidence that includes eyewitness accounts of an accident or crime scene.
Testimonial
The organization that uses DNA evidence to exonerated wrongly convicted individuals.
The Innocence Project
The type of evidence that originates from a living, or once living thing.
Biological Trace Evidence
Interviews witnesses and works with the CSI unit to investigate the crime
DETECTIVES
Daily Double: Whenever two people come into contact with each other, a physical transfer occurs illustrates ___________ ___________ ____________
Locard's Exchange Principle