but not for archie mcfarland, whose earthly remains were now a crime scene in the predawn dark of hisand even before police arrived to begin their search for the usual clues, in fact, even as gary mcfarland, cradle his father's lifeless body in his arms, as his mother mary and marshes side, they knew, both of them, without the shadow of a doubt, who did it. >> she immediately started saying, my god, i'm sorry i can't believe he did it. i'm so sorry, i'm so sorry. >> marianne met with the cops and told them. >> janos did. it >> janos? who was janos? detectives press marianne for more. >> she told us that her boyfriend was responsible for this. >> that's right. boyfriend. >> she had been having an affair with? him >> yes, often on. >> his full name was janos kulcsar. originally from hungry. and once the police got the gist of mary ann's tearful convection -- >> she had a picture of an, said this was his address. >> they hightail they over to janos's apartment in nearby long beach, where they found his car, just about an hour after the murder, sitting all innocent like, not far from his