Dr. Simon Sherry unpacks the mindset of “Dirty John”-style scammers, noting it is “difficult to withstand the tsunami of charm and persuasion” these men use to deceive their victims. Dr. Sherry also notes “Dirty Johns” are characterized by narcissistic, Machiavellian, psychopathic and sadistic personality traits (see Paulhus, 2014). Click here to read more.