The Components of Modus Operandi, Ritual, and Signature

For any of the preceding outcomes, the type of information used for analysis may dier. Typically, the information comes from the police investigative le: ocers’ reports, investigative follow-up reports, statements, evidence reports, evidence comparison requests, crime laboratory reports, crime scene diagrams, maps, photographs, videotapes of crime scenes, audio tapes of 911 calls, witness statements, and autopsy reports.