. >> robert thorman was a police detective who had received training in bloodstain pattern analysis, discipline. >> the police collect all that information and try to figure it out as they put together this puzzle of the murder of mickey bryan. >> you don't want to admit that someone would have the audacity to go in our home and kill the most precious person in your life. you wonder why. who did it and why? >> did you have any theories? >> no. none. >> as the police are investigating, there is an important piece of information. four months earlier, there had been another murder in clifton. >> clifton is a very small town. in fact, you have two murders in four months is pretty substantial. >> 17-year-old girl going missing in clifton, texas, everybody's talking, everybody's wondering what's going on. >> they said, we found your sister and she's gone. >> you know, why would somebody hurt judy? >> were the two murders related? and if so, how and why? but i'm relentless every day. and having more days is possible with verzenio, proven to help you live significantly longer when taken with