Michael Hastings likely died instantly , autopsy report states . Drugs found in his system do n't appear to have played a role in the crash . Hastings was known for a Rolling Stone piece that got a top general story . He was best known for a 2010 Rolling Stone profile of Gen. Stanley McChrystal , He had been using medical marijuana to treat PTSD , the article stated .
Michael Hastings likely died instantly , autopsy report states . Drugs found in his system do n't appear to have played a role in the crash . Hastings was known for a Rolling Stone piece that got a top general story . He had been using medical marijuana to treat PTSD , the article stated .