she called up the sheriff's department to say she thought brett was lying. >> i reached out to them and wanted to make sure that they knew that there were people that had a different side of the story. >> brett continued to insist it was self-defense but within a week of the shooting, he had gotten a lawyer. >> the sheriff told us he thought it was a little odd that brett retained a defense attorney so quickly when he was saying he was the victim. >> anybody in a situation like that doesn't retain an attorney immediately needs psychiatric help. >> his attorney said brett was no killer. he was just defending himself after brian showed up to steel his money. >> he went over there specifically to rob the people. tammie was there and he shot her first and we assumed he was going to shoot brett and brett got the drop on him instead. >> what motive could he have to shoot her. >> the motive he would have to shoot her was getting the money