Witnesses should not be allowed to talk to each other at a crime scene
What is separating witnesses
Reliable form of identification discovered in 1911
What are fingerprints
Any individual who handles evidence has to document all their information of the evidence bag
What is the chain of custody
When things come in contact they leave traces of each other on each other
What is Locard’s exchange principle
A person who saw or heard a crime take place and have important information about the crime
What is a witness
in 1984 Dr. Alec Jeffreys found sequences to help identify people
When w as DNA first used in forensic science
secure the scene, separate witnesses, scan the scene, seeing the scene, sketching, searching the scene, securing and collecting evidence
What are the seven S’s of a crime scene
Cannot be used to convict, but narrows the identity of evidence to a particular group
What is class evidence
eyewitness accounts contribute to evidence.
What is direct evidence
Discovered in China in the 6th century
When was forensic science discovered
Grid, linear, quadrant, and spiral
What are the different patterns used to search a crime scene
Can be used to imply that something happened, or imply a fact, but not directly prove it
What is circumstantial evidence