Detective how-to

How to Maintain Chain of Custody

Evidence must be tracked to be used in court.

Updated By the Career Education Institute Curriculum Team
Quick answer

Evidence must be tracked to be used in court. In short: photograph; collect; seal, then complete the remaining steps below.

Step by step

  1. Photograph evidence in place.

  2. Collect evidence with gloves and proper packaging.

  3. Seal and label each item.

  4. Record who collected it and when.

  5. Log every transfer.

  6. Store evidence securely.

Safety reminders for detectives

  • Plan for officer safety during contacts
  • Follow evidence safety for biohazards and drugs
  • Use peer support for traumatic cases
  • Follow legal procedures to protect cases

Chain of custody · Probable cause · Search warrant · Miranda warning · Lead · Canvass: see the full detective glossary.

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