. >> mike's 22-year-old son, alan gomez, had struggled with substance abuse for many years. >> i have three kids. alan is my youngest. this is my 50th birthday. >> alan is on the right? >> alan is there. that's eric, that's natalie. that's me. >> one night when mike was out of town he woke up to a message from his elder son eric. >> i see a voice mail. and it's my son just crying, dad, dad, you got to call me, you got to call me. >> alan had relapsed and taken drugs that night. he started acting erratically. shot a gun twice in the air and refused to let eric to leave the house. according to mike. eric called his girlfriend to call 911. >> he was thinking that he was getting helpor his brother. he wasn't afraid for himself, but because he had never seen his brother act like that before. >> late night cops surrounded the house and tried to negotiate with alan for almost an hour. >> come out now. >> according to a department of justice investigation, the police came in with no incident. but a s.w.a.t. officer claimed he saw a gun in alan's hands. when alan ignored calls to surrender. [