As a result of the ongoing St. Mary’s County BCI investigation into the August 2004 armed robbery of the Cedar Point Federal Credit Union in Leonardtown, detectives arrested Martha R. Thompson, 25 of Lexington Park, on June 2 and charged her with being an Accessory Before and After the Fact of an Armed Robbery.

During the time of the crime Thompson was a bank employee and provided inside information to aid in the completion of the robbery.

She is currently incarcerated at the St. Mary’s County Detention Center.

The St. Mary’s County Bureau of Criminal Investigations is an 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.