>> 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. >> he 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. said here's his address. >> they high-tailed it over to janos's apartment in nearby long beach. where they found his car. this was an hour after the murder. sitting all innocent-like not far from his door. so 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.