Which of the following is relevant information regarding a suspect's criminal history?

The FBI number is a unique identifier assigned to individuals within the National Crime Information Center (NCIC) database. This number is specifically linked to a person's criminal history and is crucial for law enforcement agencies when accessing and sharing information related to that individual's past offenses. Knowing a suspect's FBI number allows investigators to quickly obtain pertinent details concerning previous arrests, convictions, and any relevant legal proceedings.

In contrast, while a home address, email address, and job history may provide some context about a suspect's life, they do not directly correlate with or signify criminal history in the same way that an FBI number does. Accessing an individual’s criminal history often requires official records that are directly associated with identifiers like the FBI number, making it the most relevant piece of information in this context.