john robinson's life was devoted to deception. >> john robinson would steal. john robinson would write bad checks. >> john robinson was all about lies. >> by all accounts, john edwardinson was a man with two distinct sides. john robinson, married and father of four, the devoted church-going family man who played santa for the neighborhood children and john robinson, the relentless swindler who couldn't resist cheating even his closest friends. the man suzette trouten believed to be a wealthy jet-setter was actually a career con artist with a laundry list of convictions. >> he will lie, he will cheat, he will steal. the key to this man is manipulation. he wants to manipulate and therefore control you. >> former fbi behavioral scientist clint van zandt studied robinson's history for nbc news. and he says robinson is a highly organized sociopath for whom people, including his own family, were pawns. >> this is a stone cold anti-social personality who doesn't care about other people. he only tells you what he has to tell you to move you from point "a" to point "b." >> for three decades robinson bilked one employer after another, stealing everything from $640 in stamps