Baltimore Man Charged in Connection with Potomac Homicide

For Immediate Release: Wednesday, February 25, 2026

Gaithersburg, MD — The Montgomery County Department of Police – Major Crimes Division has arrested a man in connection with the fatal shooting of 87-year-old Robert Fuller Jr. at a senior living facility in Potomac.

22-year-old Maurquise Emillo James, of Baltimore, was arrested February 24, 2026, and charged with first-degree murder. James was an employee of the Cogir Potomac Senior Living facility at the time of the shooting. A warrant for his arrest was obtained February 24.

On Saturday, Feb. 14, 2026, at approximately 7:34 a.m., 1st District officers and Montgomery County Fire and Rescue Service personnel responded to the Cogir Potomac Senior Living facility in the 10800 block of Potomac Tennis Lane for a reported medical emergency. When first responders arrived, they found Fuller unresponsive inside his apartment. He was pronounced dead at the scene.

Major Crimes detectives observed evidence on Fuller’s body and inside his bedroom consistent with a contact gunshot wound to the head. No firearm was found in the apartment. The Office of the Chief Medical Examiner later ruled his death a homicide.

During the investigation, detectives reviewed surveillance video from the facility. The footage showed a person wearing a mask walking toward a side door of the building. The suspect opened the door and entered the building, which led to a stairwell. A short time later, the same person was seen leaving through that door and running down the sidewalk. Detectives later determined the exterior door had been propped open and the alarm deactivated.

Detectives also obtained surveillance video from January showing James in the same stairwell area on the day a door alarm was deactivated. On February 20, the Media & Public Information Office released a video clip of the suspect walking in the courtyard area of the facility wearing a distinctive plaid jacket. The release generated tips that helped identify James.

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In the early morning hours of February 24, a Maryland State Police trooper conducted a traffic stop of a silver Infiniti sedan without tags. During the stop, the driver fired at the trooper. The trooper was not seriously injured. Evidence collected at that scene included at least one 9mm shell casing that was entered into the National Integrated Ballistic Information Network. Detectives received a lead indicating the same gun was used in both the shooting of Fuller and the incident involving the trooper.

Later the same day, Montgomery County Department of Police Task Force officers assigned to the US Marshals Fugitive Task Force, arrested James in downtown Rockville after he attempted to run away from the officers. Montgomery County and Maryland State Police investigators also executed two search warrants in Baltimore County. Detectives recovered items of potential evidentiary value from both locations.

James is being held at the Montgomery County Central Processing Unit pending a bond hearing.

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