a stoic tom toolan. a distraught mother.>> we are relieved that this troubled and vengeful and dangerous man can never harm another innocent person. >> tom toolan was sentenced to life in prison and that's where things stood for four years. in august 2011, everything changed. the massachusetts supreme judicial court overturned tom toolan's conviction. there were flaws in the jury selection process and ordered a new trial. the trial got underway in june 2013. this time at a courthouse on the mainland and dunstable, massachusetts, for the lochtefeld family, going through it a second time was deeply disappointing and worrying. >> all of a sudden he was a convicted of killing my sister anymore. he was as far as i was concerned. >> for tom toolan, it was an incredible second chance. this time the defendant looked thinner than he had during the first trial. this time, a new defense attorney argued the case. >> this is not a whodunit. it's not where, when, how case. it is a yk's. >> he open with an admission that the first defense