they did after they found out about the affair. i think there s more to the story. so now you ve got a very lethal soap opera in the midst of this thing, huh? oh, yeah. you know, things things start start comin together. now you gotta wonder what s going on with david, the husband. i definitely do. is he involved in this? does he want his wife gone? you know? we gotta look at all those angles. reporter: all predictable questions. but in an investigation that was never less than startling, more twists awaited around the bend. coming up a tale from jail. he looks at me and he says, i think i know who did it. and i said, really. tell me. and this guy wasn t just your ordinary jailhouse snitch. when secrets on hot springs drive continues. when secrets on hot springs drive continues things, i didn t know what was happening. so i kept it in. he started believing things that weren t true.
and then another new lead. a big one. i get a phone call from our jail. they have an inmate that is requesting to speak to me. so i pull mr. jacobs, jerry jacobs, out of his cell and take him to an interview room. you re jerry, right? is that what you go by? yeah. reporter: jerry jacobs was serving time for a misdemeanor parole violation. what s his story? he was pretty upset. jerry tells me that as he was in the jail he saw the news and he saw what happened to kay parsons. and at the time he looks at me and he says, i think i know who did it. and i said, really. tell me. he says, i believe my sister had something to do with it. reporter: and who was jerry jacobs sister? well, becky sears. kay s best friend and neighbor. i think my jaw dropped right then. wasn t expecting that. he dropped a bombshell. reporter: becky s brother said he knew all about the
i didn t do anything so i don t have anything to worry about. reporter: but was he in fact on your list at that point? oh, he was, you know. he was, he put himself with michael. well, i think you know a little bit more than you re telling me. sir, i don t. i m giving you pearls, man. i m giving you all i got. i ve told you guys everything i know. i know that he came over. i know exactly when he left. i know i was at my house. that s all i know. reporter: for all his questions, investigator edmunds ultimately had nothing on anthony. a failed polygraph isn t evidence, and nothing connected him to the crime. but they were still looking at michael, and there was the inevitable question of motive. sure, michael was open about his drug use, but that didn t entirely explain why he would savagely beat his mom s best friend. my bookkeeper came to me and said we ve got some issues here. reporter: jurgen cowling has a story to tell about michael. becky and kay both worked for hi
startling admission. she had been having an extramarital romance, even more stunning was who she had been having the affair with. here again is dennis murphy. translator: the story of kay parsons and becky sears had now become a strange and complicated case for investigators. two best friends, victims, one killed and the other shot outside the office where they both worked. it was juicy enough to keep this usually sleepy town wide awake for the late news. it was definitely the lead story. reporter: ashley campbell is a local tv reporter with nbc affiliate wagt tv at the time and after the shooting she was working her contacts. i placed a call to one of the columbia county investigators and just to find out, you know, what is going on, like, what s the connection here? and he just told me, hold on. i can t tell you anything quite yet, but it s about to get a lot more crazy. reporter: the source wasn t kidding. at the hospital after she d been
oh, definitely. reporter: they pressed him to find out more about just what work he was to do there, and whether he had worked for kay parsons before. did you have the key have the door open to the house? to do the work? well, we was mostly outside. the only time that we was really on the inside is when she called me up and said, i need a little bit fixed on the inside. reporter: you had the bad luck of being the person to find this. yeah. yeah. yeah. reporter: so, that put you on the list also, mitch, of sure. sure, yeah reporter: people they want to get a full story from. exactly. reporter: maybe with some sharp questions, huh? yeah, exactly. i knew better to walk in that house, you know, because i did not want anything my fingerprints anywhere in that house because i just, you know, watched enough tv to know better. reporter: what d you what d you see in him in terms of demeanor? he seemed pretty genuine to me. he was pretty shaken up. reporte