>> janos? who was janos? detectives pressed mary ann for more. >> she told us that her boyfriend was responsible for this. >> that's right, boyfriend. she had been having an affair? >> yes. off and on. >> his full name was janos kulcsar, originally from hungary. and once the police got the gist of mary ann's tearful confession -- >> she had a picture of him and said, here's his address. >> they high tailed it over to his apartment in long beach, where they found his car. this was an hour after the murder. sitting all innocent like not far from his door. the officers, having had some experience with this sort of thing, performed a little test to see just how innocent that car was. >> and the engine hood was hot to the touch, so it appeared that it had just been driven back.