A forensic specialist is about to collect digital evidence from a suspect's computer hard drive.

Comprehensive and Detailed Explanation From Exact Extract:

Before any action on evidence, especially when seizing or processing digital devices, the forensic specialist must first carefully review and document the chain of custody (CoC) to ensure proper handling and legal compliance. This includes verifying seizure procedures and documenting the status of the device before any interaction.

Turning the computer on prematurely risks altering or destroying volatile data.

Making a forensic copy (imaging) can only happen after proper documentation and preservation steps.

Photographing the desktop is relevant only after power-on but only if approved and documented.

This process aligns with NIST guidelines (SP 800-86) and the Scientific Working Group on Digital Evidence (SWGDE) principles emphasizing preservation and documentation as foundational steps.