but jack schumacher says, he knows. >> this is where karen johnson was laying when she was murdered.ows that because carl pressly told him how it all went down that weekend. he also knows that bruce harkey wanted everyone in san saba to know that he was going out of town. a local businessman says he had only a nodding acquaintance with bruce harkey. >> bruce started telling me how he was going to be out of town all weekend long. he stressed that. all weekend long. i'm leaving early on saturday morning and will be back in until late sunday night. it might even be monday before i make it back in, because i'm going to be gone all weekend long. >> by the time bruce harkey went on trial in april 2000 13, his nephew, carl pressly, had confessed to his part in killing bonnie harkey and her caretaker. carl's girlfriend, lillian king, had admitted her involvement. with the two of them set to testify against bruce harkey in exchange for lighter sentences. prosecutor sonny mcafee felt confident that he had a solid case against bruce. >> the facts of the crime were so horrendous. i didn't think