Muh 'Religion of Peace'.

I think what could be done legally was done by the authorities this time. He was under surveillance already. Too bad they didn't act on their suspicion.
I don't think gun laws were that important this time around. When you are connected to a well-funded terrorist organization, they'll get you what you need no matter the legality of those things. Perhaps it would have been harder for him to waltz into that club armed to the teeth if it was illegal to carry firearms, but then again if he was stopped I'm sure the coppers would have asked him a few questions.

Trump can't be elected fast enough. He'll round up all the mudslimes for you, then all you have to worry about are unstable teenagers with access to assault rifles.