R1-28+notes+MJ

Criminalistics- the application of science to the physical evidence Criminology- includes the psychological angle, which involves studying crime scenes for motives, traits, and behavior. The main concern for a new crime scene is to preserve the evidence. Recreations can be used “every contact leaves a trace” Dr. Edmond Locard One of the hardest parts of controlling a scene is determining the boundaries How much of the scene does CSI need, how much is enough First 24 hours after a crime are the most crucial Major crimes get detectives They need probable cause Two types of evidence: testimonial and physical Physical Evidence: temporary, conditional, associative, pattern, trace/transfer Areas of work include taking notes, evaluating the scene, sketching it, photographing it, finding and collecting physical evidence for analysis They look for things such as hairs, fingerprints, tire marks, or other things that are not supposed to be there They have different kits which include various things to obtain evidence Photographers job is to take pictures of the whole and in detail from various different angles.