Parkville man charged with impersonating police officer

A Parkville man has been arrested on a charge of impersonating an officer, after Baltimore County police say they found uniforms, badges and patches from various police agencies in his home, as well as weapons and other items.

Derek John Propalis, 59, of the 2900 block of Garnet Road, was stopped Jan. 19 for allegedly speeding in Parkville, police said Thursday. Propalis was wearing a Virginia State Police uniform, police said.

His 2006 Ford Crown Victoria was set up with emergency lights, a laptop computer, spotlight, video monitoring system, and siren with a public address system, police allege. The computer and video monitoring system did not work.

During a search of Propalis' home, investigators found badges, patches and uniforms from various police agencies, police said. They included items from the Baltimore County and Baltimore City police departments, Maryland State Police, Minneapolis Police, Las Vegas Metropolitan Police and the United States Marine Corps Military Police. They also allegedly found real and replica weapons, ammunition, gun belts, pepper spray, inert hand grenades, marijuana and radios.

Propalis is on home detention. Detectives say they believe Propalis may have been conducting traffic stops, and they're asking anyone who might have encountered him doing so to contact them at 410-307-2020.

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