Caitlyn Jenner's longtime friend and manager, Sophia Hutchins, died in a tragic ATV accident Wednesday morning -- and footage of the crash site has surfaced.
TMZ broke the news ... Sophia was pronounced dead at the scene in Malibu after she swiped the bumper of a vehicle with her ATV and was consequently thrown 350 feet down into a ravine.
A KCAL News chopper debuted footage of the aftermath of the crash on Wednesday before Sophia was identified .