You said it.
They should be able to trace the source of those threats and punish them accordingly.
I am ready to deport them all back to the hell hole they came from. Unacceptable. Hunt this guy down and put him in jail, then deport him. Yes, I believe he is an illegal alien living off welfare and posting his threats on line.
This is just getting worse-it would make sense to close immigration for people from countries that harbor terror training camps and terrorists, but that isn’t likely to happen. Instead, these people are given asylum without even a look at their politics in their home country, then they travel back and forth under the radar and bring their brand of terrorism here.