Which of the following is part of an investigator's documentation duties?

Thoroughly recording all physical and circumstantial evidence is an essential duty of an investigator because it ensures that all relevant information is captured accurately and comprehensively. This documentation plays a critical role in the investigative process, as it helps establish the facts of the case, supports any findings, and can be pivotal in legal proceedings. A meticulous record of evidence is necessary to maintain the integrity of the investigation, providing a reliable resource for analysis and for future reference when needed.

Other options, while they may involve aspects of an investigator's role, do not focus directly on the core duty of evidence documentation. Preparing a summary for management, completing an online training module, or drafting a news release may be important tasks in other contexts but are not as foundational to the investigative process as the thorough documentation of evidence. This evidence not only aids in the investigation but also protects the rights of individuals involved, ensuring a thorough and fair process.