Dr. Evelyn Vogel is a neuro-psychiatrist specializing in child psychopaths. She offers the Miami Metro Police help in tracking a serial killer, the "Brain Surgeon," who removes parts of his victims' brains. She knows intricate details of Dexter's lifestyle, revealing to him that she has drawings he made as a child which hint at his psychopathy. She is the co- architect of the Code that Harry taught Dexter, and is quite pleased at the fact that it successfully has kept Dexter alive and well. Dr. Vogel enlists Dexter's help in catching the Brain Surgeon, who has targeted her by leaving pieces of victim's brain at Vogel's house.