MODULE 26 Crime Scene - PowerPoint PPT Presentation

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MODULE 26 Crime Scene

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  1. MODULE 26Crime Scene

  2. CRIME SCENE A. Objective 1. 065: Identify responsibilities of the correctional officer who discovers, or is the first to respond to an apparent crime scene for rendering first aid.

  3. CRIME SCENE 2. 066: Describe the steps taken to document chain of custody for evidence. 3. 067:Describe the common types of evidence, evidence packaging procedures & identification marks.

  4. CRIME SCENE 4. 147: Identify responsibilities of the correctional officer who discovers, or is first to respond to an apparent crime scene for summoning needed assistance.

  5. CRIME SCENE 5. 148. Identify responsibilities of the correctional officer who discovers, or is first to respond to an apparent crime scene for scene security.

  6. CRIME SCENE 6. 149: Identify responsibilities of the correctional officer who discovers, or is first to respond to an apparent crime scene for evidence collection.

  7. CRIME SCENE 7. 150: Identify responsibilities of the correctional officer who discovers, or is first to respond to an apparent crime scene for identification of witnesses.

  8. CRIME SCENE B. Protection of Crime Scene 1. First officer at the crime scene 2. Proper protection of the crime scene 3. Responsibilities at the crime scene a. Render assistance b. CPR/First Aid

  9. CRIME SCENE 4. Sound the alarm to notify supervisors a. Summon security assistance b. Summon medical assistance c. Follow all agency policies & procedures

  10. CRIME SCENE 5. Establish scene security a. Secure inmates in your immediate area b. Leave victim & evidence in position found, if possible c. Padlock & chain victim’s cell d. Post officer to safeguard scene

  11. CRIME SCENE 6.Begin documentation a. Record persons at or near crime scene at time of incident b. These individuals will encompass the bulk of potential witnesses

  12. CRIME SCENE 7. Evidence collection a. Evidence should not be moved by Correctional employees b. If it does become necessary to remove evidence, chain of custody must be documented.

  13. CRIME SCENE 8. Evidence collection a. Evidence collected should be given to an investigator or crime scene technician. b. Collect everything.

  14. CRIME SCENE C. Documenting Chain of Custody 1. Chain of custody accounts for evidence from the time discovered until the time of legal accountability.

  15. CRIME SCENE 2. Documenting Chain of Custody a. Date b. Time c. When d. Where e. Who collected the evidence

  16. CRIME SCENE f. If proper documentation does not exist, courts will maintain that the evidence is invalid because opportunity existed for it to be contaminated. g. Give evidence collected to an investigator or crime scene technician.

  17. CRIME SCENE D. Types of Evidence 1. Verbal 2. Physical/real

  18. CRIME SCENE 3. Primary a. guns b. Photographs c. Fingerprints d. Thread e. Blood

  19. CRIME SCENE 4. Physical/real 5. Secondary • Species of evidence which becomes admissible as being the next best when the primary or best evidence is lost or inaccessible.

  20. CRIME SCENE E. Distinct Types of Evidence 1. Fixed/immovable a. Footprints in soil b. Latent fingerprints

  21. CRIME SCENE 2. Movable/removable a. Items or evidence can be picked up, properly preserved, & identified for use later.

  22. CRIME SCENE F. Sources of Evidence 1. Crime scene itself 2. Weapons 3. Body fluid stains 4. Poisonous substances 5. Dying declaration 6. Documentary evidence

  23. CRIME SCENE 7. Glass 8. Paint 9. Drug specimens 10. Clothing 11. Hair/fiber 12. Impressions

  24. CRIME SCENE G. Evidence Packaging Procedures 1. The fewer hands who touch the evidence, the better 2. All evidence must be handled with care 3. Items must be packaged in paper bag

  25. CRIME SCENE 4. Use separate bag for each item 5. Items must be properly identified 6. Turn over evidence to an investigator or crime scene technician.