Documenting Crime Scenes

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Presentation transcript:

Documenting Crime Scenes Target 1-2 Monday, September 18, 2017

Target 1-2 I can document a crime scene by identifying, labeling, and sketching evidence.

Crime Scenes Primary Crime Scene Secondary Crime Scene Where the actual crime took place Ex) a mugging took place on a sidewalk Secondary Crime Scene A location other than the primary crime scene, where important evidence is located Ex) a suspect’s home or car Ex) a location where a body was dumped

Documenting a Crime Scene Scan and isolate the scene The “scene” must contain all the evidence Keep the scene safe from outside influences (people, weather, vehicles, etc.) Photograph the scene and all evidence Keep evidence in its original location Use rulers in photos to record size and shape Take notes and measurements (rough sketch) Draw a scaled crime scene diagram

Crime Scene Diagrams Must be drawn to scale Must show: Must have a key Doors, egress windows Large furniture/obstacles Evidence Victim(s) Must have a key Must record date, time, and artist

Labeling Objects All objects and evidence must be labeled and keyed Use rectangles and circles to show locations of obstacles (furniture and large objects) Use letters to label obstacles AND to show locations of evidence Use the same letter and add numbers for multiple objects Ex) multiple blood drops could be A1, A2, A3, etc

Crime Scene Diagrams