month before the killings he was at the parker home and saw brian handling one of brett's guns with ease. >> he took all the bullets out and handed me that one and then handed me a resolver which he had took the bullets out and then i heard friends say he would never touch a gun. >> brett told investigators he had given brian that .9 millimeter handgun for protection and they brought in a witness to confirm that brett and tammie's 14-year-old daughter brooke. >> brian and my dad were discussing a gun that my dad had and they were just talking about how they thought it was good for him to have safety at his house and to protect brian's family. >> yes, sir. >> having young brooke parker testify was controversial but brett's aunt knew brooke