Former reality television producer Bruce Beresford-Redman is charged with murdering his wife while on a family vacation in Cancun, Mexico; while awaiting trial, he keeps a riveting video diary of life inside the Mexican prison; Troy Roberts reports.

Just over a decade after Mark Twitchell was convicted of murdering Johnny Altinger, who prosecutors say he lured into a garage, stabbed and dismembered, Troy Roberts takes a rare look inside Twitchell's mind through his writings.