Jessi Combs dead: Mythbusters' and Overhaulin' star killed in crash at 36. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways to reach us. Sign in ...

Jessi Combs's cause of death has been revealed two months after her fatal jet car accident, as the Harney County Sheriff's Office announced it had completed its investigation. "Based on the ...