911 call: IRS agent put a gun in her mouth and sexually assaulted her

Following the incident in July at South Station, the alleged assailant remains on the job.

The Boston IRS branch operates out of the JFK Federal Building. –David L. Ryan/Globe Staff/File 2017

The frantic call for help came from a college student who worked as a summer intern. She’d gone for drinks at a local bar with a co-worker. A celebratory night took a dark turn when she got into his car for a ride to the train station.

“Caller is a female, says he put a gun in her mouth and sexually assaulted her,’’ the 911 dispatcher announced over the Boston police radio system just after 10:30 p.m. July 26, directing officers to South Station.

“We’ve got the victim,’’ an officer radioed back after locating the 21-year-old woman at a train terminal, according to audio of the transmissions recorded by Broadcastify. “I got the suspect’s name. It’s Jamie Clarke . . . he’s an investigator with the IRS.’’