There are nine personnel assigned to the investigations division. Investigators are also responsible for processing crime scenes, collection of evidence, arrest of suspects, and presentation of cases to the Commonwealth's Attorney for prosecution. Out of the seven investigators in Major Crimes, two have attended the Virginia State Forensic Academy.
Investigators work two shifts, days and evening, which alternate weekly.
The Major Crimes Unit maintains a twenty four hour on call schedule as well. In the first six months of 1997 the Major Crimes Unit investigated in excess of five hundred cases. Over three hundred arrests were made from the cases investigated with approximately one third of the arrests attributed to juvenile offenders. The Special Investigations Unit is made up of two investigators. The primary responsibility is Narcotics and Dangerous Drugs investigations.