Which of the following are types of reports used in law enforcement?

The types of reports used in law enforcement typically include initial, supplemental, and concluding reports.

An initial report is the first documentation created by officers when they respond to an incident, capturing essential details such as the nature of the call, initial observations, and preliminary facts of the case. This report lays the groundwork for the investigation.

Supplemental reports come into play when new information becomes available after the initial report has been filed. These reports help to update the case with relevant developments, ensuring that the documentation remains comprehensive and accurate.

Finally, concluding reports summarize the findings of an investigation, providing an overview of the case's resolution and any actions taken, such as arrests or further legal proceedings. This structured approach to reporting ensures that all facets of a law enforcement incident are thoroughly documented, facilitating effective communication and case management.

The other options represent different categories or forms of reports which aren’t standardized types within law enforcement reporting. Understanding the distinct roles and purposes of initial, supplemental, and concluding reports is crucial for maintaining accurate and detailed records of law enforcement activities.