ABC7/YouTubeA 17-year-old died in the lobby of a Los Angeles County Sheriff’s Department on Sunday evening after grabbing a deputy’s gun and using it to shoot herself, authorities said.The adolescent, who has not been named, knocked on the door of the Industry Sheriff Station and got into some kind of altercation when a deputy opened the door, KABC reports. “The female reached toward the deputy’s firearm [and] retrieved the firearm from the deputy’s holster,” LASD Lt. Art Spencer told the networ