Which combination of actions best supports evidence handling after OC deployment?

• A. Photograph the scene, injuries, preserve the canister.
• B. Tag and label evidence, photograph the scene.
• C. Photograph the scene, injuries, tag and label evidence, preserve the canister, and maintain chain of custody.
• D. Do not preserve evidence to expedite processing.

Answer: (C)

After OC deployment, the goal is to preserve the integrity and usefulness of evidence through thorough documentation and careful handling. Photographing the scene and injuries provides an objective record of conditions and effects that can be reviewed later. Tagging and labeling evidence ensures each item is clearly identified and linked to the incident, preventing mix-ups. Preserving the canister captures its physical state, markings, and any residue or damage that might be relevant to investigations or legal review. Maintaining chain of custody records every transfer and handling event, safeguarding the evidence from contamination and ensuring it can be trusted in court or formal review. Together, these steps create a complete, defensible approach to evidence handling. Skipping any of these elements—such as failing to preserve evidence or to maintain chain of custody—undermines the credibility and usefulness of the evidence.