St. Mary's County Bureau of Criminal Investigations (BCI)
BCI is a police investigative team comprised of detectives from the St. Mary's County Sheriff's Office and the Maryland State Police, Leonardtown Barrack. The unit was established on July 1, 2003 and is based in Leonardtown, Maryland at the Sheriff's Office.
BCI is commanded by Lt. Rick Burris of the Sheriff's Office. Sergeant Jeffery S. Jones is the Assistant Commander.
A similar unit in Calvert County is the Calvert Investigative Team (CIT). There is no similar group in Charles County.
Narcotics Division
The Narcotics Division is an investigative team comprised of Detectives from the St. Mary’s County Sheriff’s Office, Maryland State Police Drug Enforcement Division, and Federal Drug Agents (HIDTA Group 34). The Division was established on September 1st, 2007.
The Division is commanded by Lt. Daniel D. Alioto of the Sheriff's Office.