this is it! >> this can't be happening. >> charles! >> reporter: after hours of denial, boney changed his story. yes, he did know david camm. they met playing pick up basketball. then in another round of questioning, the story changed, and changed again. finally, boney put himself at the crime scene. >> the reason why i was there was to bring him the gun. >> that night? >> that night. >> reporter: boney said david camm asked him to get an untraceable gun. he said that he was a guy caught in the wrong place at the wrong time. >> as events started to unfold in the investigation, it became apparent that this case was intertwined between two people. >> reporter: now the prosecutor had a new theory. david camm did not act alone. he had a co-conspirator. the ex cop and the ex-con were each charged with the three killings. david was outraged. he believed he should have been set free. after all, charles boney's