If he had worked for HSBC he could have laundered $billions for Mexican drug cartels (nutcases who also chop people to pieces) and got away with no criminal charges....
Just a dumb kid who tweeted something stupid, at most he should get some kind of community service.
Seriously send him to the groups he claims to support with a live link GoPro strapped to his head and make a reality show, 'Mohahamed meets the Terrorists'. I'll watch.