He runs the booth that guesses peoples weight and under that pretense to see if he's right he looks up their addresses to rob them, one dies of a heart attack as a result of one of his break-ins and he kills another on a different break-in
Method of Disposal
Cal Rooney is a character in DEXTER. He is a carnival worker who is Dexter's first victim shown in Season 3. He is only shown briefly in flashbacks while Dexter recounts in his usual ambiguous way what he did over the summer to his dentist. Dexter is shown injecting the man, who appears to be in his early 50's, with tranquilizer, taking a blood sample from his cheek, and striking him with a meat cleaver.