What is a critical component of follow-up photographs for an injury?

Keeping the same protocols used in prior photographs is essential for follow-up photographs of an injury as it ensures consistency and reliability in documentation. When the same techniques—such as lighting, angle, distance, and settings—are maintained, it allows for a direct comparison with the initial photographs. This consistency makes it easier to assess any changes over time in the condition of the injury, which is crucial for investigative clarity and evidential integrity. By adhering to established protocols, investigators can present a cohesive visual narrative that accurately reflects the circumstances of the case. This consistency also strengthens the evidentiary value of the photographs in legal contexts, as it reduces the potential for misinterpretation.