Evidence Preservation and Sampling Take Samples 6.5.1.2.2 6.5.1.2.2(3) 6.5.1.2.2(3)(b) Take samples. Most items of evidence will be collected in paper containers such as packets, envelopes, and bags. Liquid items can be transported in non-breakable, leak proof containers. Arson evidence is usually collected in air-tight, clean metal cans. Only large quantities of dry powder should be collected and stored in plastic bags. Moist or wet evidence (blood, plants, etc.) from a crime scene can be collected in plastic containers at the scene and transported back to an evidence receiving area if the storage time in plastic is two hours or less and this is done to prevent contamination of other evidence. Once in a secure location, wet evidence, whether packaged in plastic or paper, must be removed and allowed to completely air dry. That evidence can then be repackaged in a new, dry paper container. UNDER NO CIRCUMSTANCES SHOULD EVIDENCE CONTAINING MOISTURE BE PACKAGED IN PLASTIC OR PAPER CONTAINERS FOR MORE THAN TWO HOURS. Moisture allows the growth of microorganisms which can destroy or alter evidence. NFPA 6.5.1.2.2(3)(b)

Evidence Preservation and Sampling Federal Bureau of Investigation Take Samples Federal Bureau of Investigation 12 Step Process 6.5.1.2.2 6.5.1.2.2(3) 6.5.1.2.2(3)(b) Take samples. Normally a Three (3) Person Team: Sampler – Conducts Field Test and takes the physical sample prior to packaging Assistant – Facilitates proper packaging, preventing cross-contamination Documenter – Makes notes, may photograph or videotape Federal Bureau of Investigation 12 Step Process Preparation Approach the Scene Secure and Protect the Scene Initiate a Preliminary Survey Evaluate Physical Evidence Possibilities Prepare a Narrative Description Depict the Scene Photographically Prepare a Diagram or Sketch of the Scene Conduct a detailed Search Record and Collect Physical Evidence Conduct the Final Survey Release the Scene NFPA 6.5.1.2.2(3)(b)

Evidence Recovery Plan FBI Twelve Step Preparation Training Equipment Collection team Laboratory Safety Plan Evidence Recovery Plan 6.5.1.2.2 6.5.1.2.2(3) 6.5.1.2.2(3)(b) Take samples. Federal Bureau of Investigation 12 Step Process Preparation Training Equipment Collection team Laboratory Safety Plan Evidence Recovery Plan NFPA 6.5.1.2.2(3)(b)

Approach Scene Personal Safety FBI Twelve Step Personal Protective Clothing Scene Safety Safety of Other Responders 6.5.1.2.2 6.5.1.2.2(3) 6.5.1.2.2(3)(b) Take samples. Federal Bureau of Investigation 12 Step Process Approach the Scene Personal Protective Clothing Scene Safety Safety of Other Responders NFPA 6.5.1.2.2(3)(b)

Secure and Protect Scene FBI Twelve Step Secure and Protect Scene Scene Security Documentation of Responders Accountability Establish Control Zones 6.5.1.2.2 6.5.1.2.2(3) 6.5.1.2.2(3)(b) Take samples. Federal Bureau of Investigation 12 Step Process Secure and Protect the Scene Scene Security Documentation of Responders Accountability System .. Who goes In and Out Authorization Establish Control Zones Control Entry Point – Secured Similar to Haz Mat Zones NFPA 6.5.1.2.2(3)(b)

Initiate Preliminary Survey FBI Twelve Step Initiate Preliminary Survey Team Assignments Search Plan Intelligence 6.5.1.2.2 6.5.1.2.2(3) 6.5.1.2.2(3)(b) Take samples. Federal Bureau of Investigation 12 Step Process Initiate a Preliminary Survey Team Assignments Who gathers Evidence Who records and documents Search Plan Intelligence NFPA 6.5.1.2.2(3)(b)

Evaluate Physical Evidence FBI Twelve Step Evaluate Physical Evidence Type of Evidence Collection Equipment Sufficient Packaging Equipment Sufficient 6.5.1.2.2 6.5.1.2.2(3) 6.5.1.2.2(3)(b) Take samples. Federal Bureau of Investigation 12 Step Process Evaluate Physical Evidence Possibilities Type of Evidence Solid, Liquid, Gas Collection Equipment Sufficient Proper Sampling Tools, Packaging Equipment Sufficient Proper Containers, Label, Transport containers NFPA 6.5.1.2.2(3)(b)

Prepare Narrative Description FBI Twelve Step Prepare Narrative Description Initial Description of the Scene 6.5.1.2.2 6.5.1.2.2(3) 6.5.1.2.2(3)(b) Take samples. Federal Bureau of Investigation 12 Step Process Prepare a Narrative Description Initial Description of the Scene Detail is critical, don’t leave out anything observed NFPA 6.5.1.2.2(3)(b)

Depict Scene Photographically FBI Twelve Step Depict Scene Photographically Photograph Risk Assessment 6.5.1.2.2 6.5.1.2.2(3) 6.5.1.2.2(3)(b) Take samples. Federal Bureau of Investigation 12 Step Process 7. Depict the Scene Photographically Prepare a Diagram or Sketch of the Scene, keep track of photos and angle taken Conduct a detailed Search Record and Collect Physical Evidence ID Evidence where located prior to removal Conduct the Final Survey Release the Scene Risk Assessment On going assessment for Scene Safety On going assessment for Scene Stability NFPA 6.5.1.2.2(3)(b)

Prepare Scene Diagram or Sketch FBI Twelve Step Prepare Scene Diagram or Sketch Sketch Risk Assessment 6.5.1.2.2 6.5.1.2.2(3) 6.5.1.2.2(3)(b) Take samples. Federal Bureau of Investigation 12 Step Process Prepare a Diagram or Sketch of the Scene Sketch Measurements, Dimensions to scale for accuracy Risk Assessment On going assessment for Scene Safety On going assessment for Scene Stability NFPA 6.5.1.2.2(3)(b)

Conduct Detailed Search FBI Twelve Step Conduct Detailed Search Evidence Evaluation General to Specific Search Patterns 6.5.1.2.2 6.5.1.2.2(3) 6.5.1.2.2(3)(b) Take samples. Federal Bureau of Investigation 12 Step Process Conduct a detailed Search Evidence Evaluation General to Specific Search Patterns NFPA 6.5.1.2.2(3)(b)

Collect and Record Physical Evidence FBI Twelve Step Collect and Record Physical Evidence Field Screening Photograph Label Package Appropriately Document Chain of Custody Decontamination Issues: Victims / Bodies / Evidence 6.5.1.2.2 6.5.1.2.2(3) 6.5.1.2.2(3)(b) Take samples. Federal Bureau of Investigation 12 Step Process Record and Collect Physical Evidence Field Screening, Attempt to ID or verify suspicion of product ensure safety to package and transport Photograph Area and Close up Items to scale assist in size ID Label Case Number Sampler / Packager Item Location Found Package Appropriately Document Chain of Custody Decontamination Issues Victims / Bodies / Evidence NFPA 6.5.1.2.2(3)(b)

Evidence Accounted For Equipment Accounted For FBI Twelve Step Conduct Final Survey Evidence Accounted For Equipment Accounted For Additional Activities Required? 6.5.1.2.2 6.5.1.2.2(3) 6.5.1.2.2(3)(b) Take samples. Federal Bureau of Investigation 12 Step Process Conduct the Final Survey Evidence Accounted For Equipment Accounted For Additional Activities Required NFPA 6.5.1.2.2(3)(b)

Turning the scene back to Owner FBI Twelve Step Release the Scene Turning the scene back to Owner 6.5.1.2.2 6.5.1.2.2(3) 6.5.1.2.2(3)(b) Take samples. Federal Bureau of Investigation 12 Step Process Release the Scene Ensure all tools picked up Ensure no sketches, photo negatives, litter left behind Document all items being removed as evidence NFPA 6.5.1.2.2(3)(b)