Tinfoil hats on! I've been following this story for a while and it seems plausible. The technology is there and Hastings was a pretty controversial journalist.
http://rt.com/usa/michael-hastings-cyber-car-218/A former cybersecurity advisor to President George W. Bush says a sophisticated computer hack could have been the cause of the automobile accident that claimed the life of journalist Michael Hastings last week in Los Angeles.
Richard Clarke, a State Department official-turned-special advisor to several United States presidents, said the early morning auto crash last Tuesday was "consistent with a car cyberattack,” raising new questions about the death of the award-winning journalist.