>> back to the shooting at fort hood that left three service members dead and 16 others injured. some brand new details emerging including the identity of the munn man. specialist ivan lopez. >> live from fort hood where steve dos s -- casey has been a night long. >> army officials are telling us he was being treated for mental health issues. he was suffering from things like depression and anxiety and taking medication for it. he had not been officially diagnosed with post traumatic stress disorder but he was being evaluated for it. it takes quite a bit of time for the mrilitary to say someone wa suffering from it. he spent four months in iraq on