He was horrifying playing John Wayne Gacy in “To catch a killer”. I’ll never forget that one scene where he invites a teen boy over his house, tricks the teen into wearing handcuffs and this look of pure evil comes over Dennehys face that was just unreal, as if he was saying to the kid “I got you now, you’re life is over”.....
https://www.imdb.com/title/tt0105604/?ref_=nm_flmg_act_103
Yeah a real spooky dude.
Here’s your scene
https://youtu.be/heqX9kP4chM