CHE 113 Lecture Notes - Barricade Tape, Gunshot Residue, Trace Evidence
Document Summary
What are the correct steps taken when a crime scene is approached, searched, and an investi- One of the most vital components of crime scene investigation is the collection, preserva- tion, and securing of evidence. If those three components are not carefully maintained the evidence cannot be used in a court of law which is in fact the purpose of evidence! All the jobs combine during the crime scene investigation to produce evidence that can be used in a court of law leader, photographer, notetaker, sketcher, and evidence collector. The chain of custody for evidence must start at the crime scene and continue throughout the investigation. Different circumstances must be considered when searching for evidence out- side of the crime scene, including the need for a warrant or determining if a warrantless search is necessitated. Prerequisites: definition of forensics, types of analyses available in a crime lab. Model 1 : introduction to how crime scene investigation works.
