reporter: diaz along with other players quoted by the student newspaper believe coaches knew about hazing. it just felt this is what you have to do to play football. reporter: fitzgerald maintaining he had no knowledge whatsoever of any form of hazing, seen here denouncing hazing in 2014. there is zero tolerance for hazing there no reason to ever have it. reporter: tonight shockwaves on campus shared by the student reporters who brought players allegations to light. our hope is spreading the truth. it s no longer something that can be swept under a rug and kept secret. reporter: northwestern has yet to name a new coach, and the team s season starts in less than two months. tom? okay, maggie, thank you for that. and we re back in a moment with the latest on a hostage drama at caesars palace in las vegas. and inside the high-tech fight to ststop the sprpread of mosquitoto-borne malalaria ststop the sprpread of mosquitoto-borne malalaria i m kareem abdul jabbar. i w