Forever Knight - Season 3 Episode 19 -

A particularly brutal murder leads Nick and Reese to suspect a release killer with a best-selling book on "The Killing Mind". The murder fits those Reese investigated years ago prior to the man's conviction on a simple man-slaughter charge. Reese and the murderer play a game of cat and mouse and Nick, Natalie and Tracy try to find evidence that can prove he is the murderer.