What Are Various Ways to Trace Evidence in Terms of Investigation Flashcards

States that when a person comes into contact with an object or another person, a cross-transfer of physical evidence can occur.

Recognize, document, and collect evidence at the scene of a crime

• Pet hair on clothes/rugs
• hair on a brush
• fingerprints on a glass
• soil tracked into a house by shoes
• drop of blood on clothes
• used facial tissue
• paint chips
• broken glass
• fiber from clothing.

To stop witnesses from working together to create a story

• Case #
• item inventory #
• description of the evidence
• name of suspect
• name of victim
• date & time of recovery
• signature of person recovering evidence
• signature of any witnesses present during collection.

• Position of the body
• All objects measured from 2 to immovable landmarks
• North should be labeled
• A scale of distance should be provided
• Any other objects in the vicinity of the crime scene (doors, windows, furniture)

Indirect evidence that can be used to imply a fact, but does not directly prove it

Includes first hand observations, such as eye witness accounts or police dashboard video cameras.

Narrows an identity to a group of persons or things

Secure the scene as a responsibility as the first responding police officer

Take photos of the crime scene

Draws a potential suspect based on eye witness accounts

• Police officers - usually first to arrive at crime scene
• Crime scene investigators - document crime scene in detail and collect physical evidence
• Medical examiners - may be necessary to determine cause of death when a homicide occurs
• Detectives - look for leads by interviewing witnesses and talking to the investigators about the evidence
• Specialists - forensic scientists & forensic psychologists may be consulted if the evidence requires their expertise

1. Information management2. Manpower management3. Technology management4. Logistics management

The use of imaging technology and mapping technology to compile a map that can, in some cases, be rendered in three dimensions. That most include a method of electronic distance determination, height and slope measurements, mapping capability, and the ability to locate points in three dimensions.