Superb acting for a sad story of how warped a person can be. Obviously a nut case.

I think this movie should have been made for the big screen and not TV.Brian Dennehy gives one of the most electrifying and chilling performances I've ever seen, as serial killer John Wayne Gacy. His facial expressions, threatening demeanor and aura of pure evil are much more shocking, creepy and frightening than buckets of blood and graphic violence would have been.This movie is driven on suspense, which is saying a lot, considering most viewers already knew the outcome of the story beforehand.This is a thriller in every sense,way scarier than many recent so-called "horror" movies released, and does it all without CGI, gore, cheap shock elements,or foul language.

With no malice against our neighbors to the north, I must say that one reason this telefilm fails is the overwhelming "Made in Canada" quality. That is to say, it's well-made and mostly well-acted, but it's obvious throughout (even without Margot Kidder popping up) that there has been little attempt to have the Canadian locations and actors (who say things like "Juhn's nut here - he's still oot at work") simulate any kind of a Chicago feeling.Dennehy is too handsome and slick for the uber-nerd murderer John Wayne Gacy, though his acting of what he's been given to do is impeccable. Gacy wore the mask of the jolly "can-do" guy, whereas Dennehy in his leather jacket is someone you'd think twice about accepting a lift from.

In a fine made-for-TV effort, "To Catch A Killer" profiles notorious murderer John Wayne Gacy (played chillingly by Brian Dennehy), his mask of a respected public citizen, the awful secret he kept, and the relentless attempt to expose him. Dennehy's work with the supporting characters is darkly magical and the story reminds you that it's real with every chance. Highly recommended for fans of Dennehy and of good psychological thrillers.