shootings. officials say he regularly socialized with the three but after a recent trip to saudi arabia he returned more pious and was no longer interested in hanging out with them. officials do motte believe they were involved and said he acted alone. those same officials confirm the handgun used in friday's attack was legally purchased from a gun dealer in pensacola. typically illegal for a non-citizen but he exploited a loophole that allowed him to buy it because he has a hunting license. officials are not confirming this as an act of terrorism but believe a social media post declaring america's love for israel and hatred for islam was written by him. sources tell nbc after the attack, a number of his fellow saudi classmates were questioned but officials say there's no concern they were involved. as the community embraces their