In a fire scene where law enforcement officials are not available, which entity must maintain control of the property and evidence until it has been collected?

• A. Assign bystander to watch evidence until someone is available.
• B. Evidence is sketched, photographed, and then take back to the station for final custody exchange.
• C. Place the evidence in the apparatus to ensure no further damage.
• D. Ensure property remains under the control of the fire and emergency services organizations until all evidence has been collected.

Answer: (D)

Preserving scene integrity and the chain of custody for evidence on a fire scene when law enforcement isn't available means the fire and emergency services organization must maintain control of the property and evidence until all collection is complete. Keeping custody on scene prevents contamination, tampering, or misplacement and ensures a clear, documented trail of who handled the evidence and when. This on-scene control also provides a coordinated, accountable process so investigators can pick up custody seamlessly when they arrive, without risking loss or alteration of materials.

Bystanders are not a suitable option because they lack training and accountability, which can compromise evidence and safety. Sketched and photographed evidence should be created on scene, but moving it off-scene for custody without a controlled transfer can break the chain of custody. Placing evidence in the apparatus to prevent further damage risks contamination, movement, and access, which undermines proper handling. Therefore, the best practice is for the fire and emergency services organization to maintain control on scene until all evidence has been collected and appropriately handed over.