BETHESDA, Md. (AP) — Montgomery County Police say a Georgetown Preparatory School staffer took a gun to work and put the unloaded, holstered weapon on his desk.

Police have charged Stephen Lafferty, 51, of Frederick with possession of a dangerous weapon on school property and possession of drug paraphernalia.

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Officers were called to the school in Bethesda on Wednesday for a report of an employee with a gun. Police say Lafferty told investigators that he brought the Smith and Wesson revolver with him because he planned to have it serviced after school. When officers searched Lafferty, police say they found drug paraphernalia.

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School spokesman Patrick Coyle says no threats were made and students, faculty and staff were not in danger. He says the school’s headmaster sent a letter to parents Thursday.

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