Anthony Porter may be the luckiest man on earth. He was convicted of a grisly murder, and his clock on death row was ticking. Porter was just 48 hours away from being executed. Then somebody else confessed. But there's a catch. “A Murder in the Park” is Showtime's 2014 sensational tale of a single-minded pursuit of justice that goes barreling off the rails. From 2016: https://bit.ly/3merSSh