How did this guy keep from killing all those years? We call it...
Sheriff Collier: How did this guy keep from killing all those years?
Reid: We call it self-initiated predation cessation. Most serial killers are unable to control their own impulses but some seem to be able to self-regulate. It's like they have an on-off switch that they themselves are able to control.
- Criminal Minds
- Criminal Minds Season 8 Episode 19: "Pay It Forward"
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- Criminal Minds Quotes, Criminal Minds Season 8 Episode 19 Quotes
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