India, July 3 -- A California 7-Eleven employee's manager sat on top of her during a "senseless" on-the-job assault, leaving her brain-dead. Jessica McLaughlin, 24, passed away on Wednesday after being removed from life support.

On June 24, Jessica McLaughlin, 24, was employed at a 7-Eleven in Los Angeles when she was "violently and senselessly attacked" by her anonymous female boss, who is still at large, following an argument that began just after 2:00 p.m., according to the Los Angeles Times.

During the assault, the insane Big Gulp slinger sat down on her worker's upper torso with her entire weight, choking her and pulling her hair until she stopped from breathing.

"She sat on top of her, held her down, and prevented her from breath...