Let’s be real — “Criminal Minds” didn’t just give us creepy episodes. It gave us nightmares we still haven’t fully processed. And with the show celebrating 20 years since its very first episode (yes, back in 2005, when flip phones were still cool), TV Insider decided to do something both brilliant and terrifying: rank the most horrific major UnSubs from the original run.

9. Ian Doyle
If Doyle (Timothy V. Murphy) had actually killed Prentiss (Paget Brewster) — instead of almost succeeding in doing so — he might be higher up on this list.
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