Former U.S. National Coordinator for Security, Infrastructure Protection, and Counter-terrorism Richard A. Clarke said that what is known about the crash is "consistent with a car cyber attack". He was quoted as saying "There is reason to believe that intelligence agencies for major powers — including the United States — know how to remotely seize control of a car. So if there were a cyber attack on [Hastings'] car — and I'm not saying there was, I think whoever did it would probably get away with it."

USA Today reported that in the days before his death, Hastings believed his car was being "tampered with" and that he was scared and wanted to leave town.
https://en.wikipedia.org/wiki/Michael_Hastings_%28journalist%29#Alleged_foul_play_controversy