While social media have a lot of negatives to answer for, I believe, having eroded a lot of the social norms of communication which hold society together, they

While social media have a lot of negatives to answer for, I believe, having eroded a lot of the social norms of communication which hold society together, they have done one thing that we can all be thankful for: they gave various wingnut idiots a place to announce "I shall commit a heinous act" on, prior to actually doing so. Of course, it is entirely possible that he was just saying this stuff for attention. But then, he might also have actually done it for attention. How does one tell the difference? Well, one way would be to offer to sell him an explosive, and see if he actually buys it.