The Unsub, John Pringle, is a "blood drinker" who suffers from a delusional belief that consuming the blood of young, healthy victims will cure his own terminal illness.
Specific used to find the Criminal Minds Unsub. [S12E18] Hell's Kitchen
" Hell's Kitchen " is the 18th episode of the 12th season of the police procedural drama . It first aired on CBS on March 29, 2017. 🕵️ Episode Overview The Unsub, John Pringle, is a "blood drinker"
He continues his complicated relationship with fellow inmate Calvin Shaw. [S12E18] Hell's Kitchen
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