pushing. eventually david revealed that more than once he d wondered just how desperate a housewife becky had become. he told edmunds a month before kay s murder someone sent bizarre texts to her that hinted of the affair. david now suspected those texts came from becky. did it ever ever run across your mind at that time that maybe the text messages were comin in because your time table and becky s time table weren t the same? it crossed my mind. she was trying to let kay know cause she thought that if she found out, that kay would leave. reporter: david s interview went on into the night. we get up and briefly walk out of the interview. and he s still in there, still being recorded and then he starts talking to himself, you know, about what have i done? oh, man. they re going to blame me. this cannot be real. reporter: but david s interview wasn t over yet. he had more to share including a clue that would bring edmunds and his team of investigators one step closer to
a friend of mine called me on the, on my cell phone and asked me, he said, did you hear about david havin an affair with becky? and i said, there s no way. there s no way. reporter: the news about the affair didn t surface until after kay had been buried. david was still seen then as the grieving husband. if i woulda known about that affair, i don t think there woulda been as much support for david at the funeral or at the hospital. why would you cheat on someone that loved you so much and was always there for you just to have sex basically. why? it it wasn t worth it. reporter: tamara thought back to david s behavior in those days after kay s death including an odd exchange between them at the memorial service. david went up to me and again, being very close with kay, he hugs me. and he hugs me really, really tight. and he s boo hoo cryin and he tells me, i m sorry. i never meant for this to happen.
not too badly injured. when i m talkin to her, she s, you know, she s really hurting. reporter: the investigator then asked becky for details about the shooting. what did he say to you? who? the guy that shot you? he wanted his money or next time it would be my face. what money is he talking about? i have no idea. we did not owe anybody any money. does michael? not that i know of. i don t want you dead next. i don t think michael knows. unless he owes money from the past, i don t think he owes any money now. reporter: to edmunds, becky sounded like a mom unwilling or unable to wrap her head around the possibility of her son s involvement in a murder. i think he s trying to stay away from all of that to get out to better himself. reporter: edmunds spun through the possibilities was becky in denial? was she covering up for her son?
therapy center, and sometimes michael would do odd jobs at the office too. michael would come in and do some more, we had some flooring that d be put in, some carpet. and then he would come in and assist. reporter: but after a while people in the office started to notice something. we had some blank checks in in one of our offices that disappeared. reporter: becky and kay s boss says the checks went missing while michael had been doing some cleaning in the office. so i i pull becky in. she said she sat down with michael and talked about it. and, of course, michael said, yes, it was me. reporter: how much money was stolen in that incident? about 800 bucks. reporter: 800 bucks? yeah, three or four checks, about 800 bucks. reporter: and it was all michael. and he fessed up to it, huh? yes, sir. reporter: so becky must have been, what, em embarrassed? you could tell she was really distraught. reporter: the healing hands boss agreed with becky that he
reporter: then just 36 hours into the murder investigation another attack, this time a shooting. just ten miles from the crime scene on hot springs drive. 911 . somebody came out from behind the trees and he shot me. reporter: sergeant steven douglas was the investigator dispatched to the scene. my partner and i received a phone call from the road patrol division in reference to a woman who had apparently been the victim of an armed robbery as she was leaving work that evening and had apparently been shot in the process. do you know where you re hit at? my legs. reporter: the location of the shooting sounded familiar. what s the name of your office? it s healing hands physical therapy. reporter: so did the name of the victim. what s your name? becky sears. reporter: becky sears, the best friend and co-worker of murder victim kay parsons. that is kind of a holy cow moment. this is the same woman next door to this house where there d been a vicious beating.