Prince George’s County Police Department

Second Suspect Charged in Police-Involved Shooting at Giant

The second suspect injured in a police-involved shooting in Prince George's County has been charged, Prince George's County police announced Thursday.

Derrick Simmons, 42, is facing felony theft and handgun-related charges. 

Police believe Simmons and 44-year-old Clyde Peterson were planning to rob a bank in Upper Marlboro Tuesday morning. That morning, officers searching for a stolen black Ford Mustang found the men sitting in the car in the parking lot of a Giant grocery store.

When the officers approached the vehicle, one of them saw a suspect pull out a weapon. A witness heard an officer tell the suspect not to touch the weapon before shots were fired.

Both suspects were injured and transported to an area hospital. Peterson is also charged with felony theft and handgun-related charges. 

Police said the involved officer is Police Officer First Class David Gross, a four-year veteran of the department. Gross had worked with another law enforcement agency for 12 years before joining PGPD. He has been placed on routine administrative leave. 

Shortly after the shooting, police tweeted a photo of a gun on the ground, surrounded by broken glass. A substance appearing to be blood was shown on the gun; police said the gun was one of two recovered from two armed suspects at the scene.

Parker said gloves were also recovered from the scene. 

No other injuries were reported.
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