The television series Mindhunter highlights this motive behind the murders of famous psychopaths, such as Richard Speck, an American mass murderer who Deceitfulness, as indicated by repeated lying, use of aliases, or conning others for personal profit or pleasure. WebHe examines famous serials killers and professional theories, as well as studies concerning them and the general characteristic traits they possess. The Scariest Serial Killers In History; Albert Fish. [CDATA[// >