sam herr was not a murderer on the run. he was already dead. your reaction? >> the immediate reaction was, did i just hear what i think i heard? >> even for seasoned detectives, the story dan wozniak told was almost beyond imagining. dan said he went after sam first. they drove together to a theater, a place where dan had once taken the stage. dan had told sam he needed help moving some heavy items down from the attic. >> i said, you need to bend down and help me lift this thing up. and when he bent down, i grabbed the gun. i shot him once and then he was still alive. he was still talking saying, i need help. >> what did he say to you? >> i need help. something hit me. it felt like an electric shock. >> and then, wozniak said, he fired again. >> he started bleeding. he wasn't moving. he wasn't talking. >> dan said he took sam's cell phone and then drove to the theater to face an audience. in this video, shot by a cast member's husband that very night, you can see dan and his fiancee rachel performing in the musical "nine." this was a different t