Which elements comprise an effective chain-of-custody for evidence collected at a cruelty scene?

Which elements comprise an effective chain-of-custody for evidence collected at a cruelty scene?

• A. Clear labeling with case number, date/time and location; secure storage; documented transfers; limited access; and contemporaneous notes on handling.
• B. In-depth background checks of all personnel and daily counts.
• C. Verbal handoffs only and no written transfers.
• D. Open access to storage with no documentation.

Answer: (A)