In crime scene processing, which step most directly helps preserve evidence integrity by controlling access?

In crime scene processing, which step most directly helps preserve evidence integrity by controlling access?

• A. To ensure investigators have adequate space to work and prevent contamination.
• B. To expedite processing by limiting access only to senior staff.
• C. To establish boundaries and restrict access to preserve evidence integrity.
• D. To determine the suspect's identity.

Answer: (C)