Authorities believe that Sophia Hutchins, Caitlyn Jenner's friend and manager, may have been speeding when she crashed an ATV in Malibu, Calif., and died. Hutchins, 29, was pronounced dead on the morning of Wednesday,

According to Daily Mail, which spoke with Sgt. Eduardo Saucedo of the Los Angeles County Sheriff's Department, the 29-year-old rear-ended a sedan on a winding stretch of Decker Canyon Road, lost control, and veered off the side of a cliff, plunging more than 350 feet into a ravine. She was pronounced dead at the scene.