person. reporter: they were bar tnding that night at the route 91 festival. zanni tried to help the injured. even during the day i feel like i m still having nightmares, flash backs of what happened and things that i felt you could ve done and didn t have enough time to. maybe saved more lives. i carried all that weight with me. reporter: there s no clear motive as to why this guy did it. which is one of the biggest thing. if we had a reason of why it happened, it would put some of us at a little bitof peace. reporter: millions have already been raised by the charities of the state but given mostly to the families of the dead and the physically injured, the need goes on. there are thousands of people who are at that concert who are in need of financial assistance to help with things like medical bills and mental health treatment. brian claypoole was there at