>> when you sh-- when i got to that safe, i made a decision, it's going to be me or him. >> ultimately, the defense wanted the jury to see that, while a flawed man, brett parker was no killer. >> did you shoot in self-defense cap en hurst? >> yes, i did. >> did you ever have a plan, a premedicated plan to shoot and kill your wife? >> no. >> under cross-examination, brett held firm, sticking to the story, he first told investigators. >> did you think it was important to tell the police the truth? >> i did tell them the truth. i've told them what's happened in that house. that is the truth. i believe, as i see it, the evidence proves it. >> the prosecutor talked to him about his infidelities. he insisted his feelings for tammy never wavered. >> he said you love tammy, still