— A State Capitol Police officer has been placed on desk duty after she was arrested Saturday on an impaired driving charge, authorities said.

Suzanne Virginia Perry, 49, was cited in Johnston County with driving while impaired and a civil revocation of her driver's license, according to court records.

A spokesman for the state Department of Public Safety said Perry has been a State Capitol Police officer for four years. The agency is conducting an internal investigation of the incident, he said.