Skip to main content

Detectives Investigate Officer-Involved Shooting in Potomac; Additional Information Released

For Immediate Release: Friday, March 13, 2020

Detectives from the Montgomery County Department of Police - Major Crimes Division continue to investigate a shooting that occurred yesterday, March 12, in the 12200 block of St. James Road in Potomac.

At approximately 4:30 am on March 12, members of the Special Operations Division - Tactical Unit were in the process of serving a high-risk search warrant related to firearms offenses at an address in the 12200 block of St. James Road in Potomac.  During the warrant service, the suspect confronted the officers and was fatally shot by an officer assigned to the Tactical Unit.

The suspect has been identified as Duncan Socrates Lemp, age 21, of the 12200 block of  St. James Road in Potomac.

Lemp was prohibited from possessing firearms and detectives were following up on a complaint from the public that Lemp, though prohibited, was in possession of firearms.  Detectives recovered three rifles and two handguns from the residence.

The facts and circumstances of the encounter are still being investigated by detectives from the Major Crimes Division. The Howard County State's Attorney's Office will review the officer-involved shooting at the conclusion of the investigation.*

{*An established agreement between the Montgomery County State’s Attorney’s Office and the Howard County State’s Attorney’s Office stipulates that when an officer-involved shooting involving injury or death occurs in one county, the other county’s State’s Attorney’s Office will review the event.}


pic of Tavor Riflepic of Tavor Rifle (Original Image)
pic of handgunpic of handgun (Original Image)
Pic of RiflePic of Rifle (Original Image)
pic of Springfield Armory Riflepic of Springfield Armory Rifle (Original Image)
pic of P80 handgunpic of P80 handgun (Original Image)

# # #

Release ID: 20-114
Media Contact: mcpnews 
Categories: death-investigation, shooting, uncategorized, weapon-offense