Office of Chief Medical Examiner311Search all NYC.gov websites

Department of Forensic Biology

Forensic Biology Evidence and Case Management Manuals

This manual contains procedures related to (1) evidence intake, distribution, and return; and (2) case handling, including evidence examination guidelines; handling, evaluation, and troubleshooting of cases which are in progress; report writing and reviews.

The procedures on this page apply to versions in effect from January 1, 2025, to the present. The effective dates are indicated in the file name in the format MM/DD/YY - MM/DD/YY. Documents will open in .PDF format.

Note: The most current manual in each section is the first link listed.