The Criminal Investigation Division is under the leadership of Lieutenant  Michael Addison. There are three Sergeants  and one secretary in addition to Lt. Addison.  The division handles a variety of investigations, including crimes against persons and property such as murder, rape, robbery, aggravated assault/battery, burglary, thefts, computer related crimes, forgery and financial crimes. They also prepare affidavits for arrest warrants, search warrants, interview victims, witnesses, and suspects, and perform many other related duties.

Detectives receive special training in a variety of investigative techniques and disciplines, including general and advanced criminal investigations, death scene investigations, sex crimes investigations, child abuse investigations, photography, interview and interrogation, crime scene investigation, and collection of physical evidence.