Ashley says the missing person considers her the only leverage others have against him. Ashley is played by Beth Riesgraf, who portrayed skilled thief Parker in Leverage (2008), and Leverage: Redemption (2021).
FBI agent Jack Crawford shares his name with the SAC of the Behavioural Analysis Unit in Thomas Harris's Hannibal Lecter novels.
During the episode Pierce compares himself to Dr Lecter.
Both men are brilliant but troubled psychiatrists who aid the FBI in tracking killers.
(Neither the films nor the series based on them portray Lecter as he appears in the books.)