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What Every Law Enforcement Officer Should Know About DNA Evidence

Investigators and Evidence Technicians

Sexual Assault (continued)

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Image of sexual assault victim
National Institute of Justice (NIJ) (see reuse policy).

Collection Procedures for a Sexual Assault Case (continued)

  • Collect clothing worn before, during, and after the assault in addition to any foreign objects that the victim might have been assaulted with
  • Collect towels or tissues used by the suspect and/or victim to clean up after the assault
  • If the assault occurred in a vehicle, collect actual seat fabric cuttings and/or swabs of stains located there

An alternate light source can be used to locate stains on bed linens or clothes that are invisible to the naked eye.

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