also posted pictures of dead animals and tortured and terrorized neighborhood pets. psychologists will tell you the chasm separating harming animals and humans is deep but not very wide. then there is this. i m going to be a professional school shooter he allegedly posted on a youtube video. the man who posted the video alerted the fbi back in 2017 to that comment but the bureau claimed there wasn t enough information to connect the online nicholas cruz with the real one. the fbi conducted database reviews, checks, but was unable to further identify the person who actually made the comment. as often happens in cases like this, students say they knew cruz had something a little off about him.