the teen had nowhere else to live. >> when he moved into your house, did you know he had an ar-15 or any guns? >> i knew he had weapons, yes, sir. and that was acceptable? >> i'm not afraid of guns. part of the stipulations for him moving in was he had to get a gun safe. and he did. and i thought at that time that i had the only key to the gun safe. investigators are now reviewing approximately 20 calls deputies received about cruz over the last few years. and florida governor rick scott has called for the fbi to release all details surrounding the bureau's failure to take action after receiving a call just last month be tailing cruz could become a suspected shooter. >> lots of anger and guilty. >> the sneed's lawyer says some are blaming them for not knowing. >> is there something we missed, is there something we could have done? we don't know. we have no clue. we don't know -- we don't know what put him in this state.