Physical Evidence & Chain of Custody Flashcards

Which type of packaging is required for sharp objects such as needles recovered as drug paraphernalia evidence?

Answer: Rigid puncture-resistant container before outer packaging

Sharp objects must be placed in rigid, puncture-resistant containers (sharps containers) to protect handlers before being placed in standard evidence packaging.

After a controlled buy operation, the undercover officer transfers purchased drugs to the case agent. This transfer represents which chain of custody step?

Answer: First custodial transfer

The handoff from the undercover officer to the case agent is the first documented custodial transfer, requiring signatures from both parties.

A drug exhibit that was tested by the DEA lab must be returned to the evidence vault. Which condition ensures proper chain of custody upon return?

Answer: The exhibit is resealed with tamper-evident tape, and a lab receipt documenting return is attached

Proper return requires physical resealing with tamper-evident materials and a signed receipt documenting the transfer back to the vault custodian.

Under the Controlled Substances Act, what must accompany a Schedule I or II controlled substance sample submitted for DEA laboratory analysis?

Answer: A completed DEA Form 7 and a chain of custody record

Lab submissions require a completed DEA Form 7 and an accompanying chain of custody record linking the sample to the originating case.

An agent notices an evidence seal is broken when retrieving a drug exhibit from the vault. What is the correct first action?

Answer: Stop, document the broken seal, notify the supervisor, and initiate an integrity inquiry

A broken seal is a potential chain of custody breach requiring immediate documentation, supervisor notification, and a formal integrity inquiry before any further use.

In a drug trafficking case, the defense requests access to the original evidence for independent testing. How should the prosecution respond to preserve chain of custody?

Answer: Allow supervised access with documented chain of custody transfer and a court order

Independent defense testing must occur under supervised, court-ordered conditions with full chain of custody documentation of every access and transfer.

When an evidence custodian retires or leaves the agency, what process must occur to maintain chain of custody for all drug exhibits in their care?

Answer: A formal transfer inventory is conducted, all exhibits are counted and verified, and custody is officially transferred to a new custodian with both parties signing

Custodian transitions require a documented physical inventory, verification of all exhibits, and dual-signed transfer of custody to prevent gaps.