In a normal world, authorities would look at whether he has a motive to commit a crime, means to do it such as having illicit firearms, and plans to do it such

In a normal world, authorities would look at whether he has a motive to commit a crime, means to do it such as having illicit firearms, and plans to do it such as written statements. In the fucked-up US of A, a sarcastic Facebook comment is enought to terrorize people enough to send him to jail.