So, being the unemployed geek that I am, I have been abusing Hulu and watching the Highlander series.

Season 2 episode 3, entitled "Turnabout". An immortal is being chased by another immortal who is a serial killer who is, named, what else, Quentin Barnes. I am thinking coincidence, but since the FDO LOVES serial killers, and Highlander, not 2 of course, maybe not