Killer Nikolas Cruz Was 'So Into ISIS' - Believed Enemies of 'Syrian Terrorists' Should Be Murdered

According to transcript obtained by WSJ, FBI tip-line caller warned Marjory Stoneman Douglas HS Nikolas Cruz was "going to explode." caller also noted Cruz dressed up "as ninja or ISIS fighter." The caller then told the FBI that Cruz was "so into ISIS,".

Ariana Lopez, former classmate of Cruz, told ABC he sympathized with Syrian terrorists. "He would talk about how he sympathized with Syrian terrorists and that people who opposed them should be killed. Cruz followed Syrian and Iraqi resistance groups on social media.