David Havin News Today : Breaking News, Live Updates & Top Stories | Vimarsana

He says, "i believe my sister had something to do with it." >> reporter: and who was jerry jaocbs 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 affair between his sister and david. he told the investigator becky had once confided in him that david was trying to end it. >> she'd come and meet one day or there in the parking lot crying. and i was like, you know, "what's wrong?" and that's whenever she told me she was having the affair. >> he th...

David philandering, messing around, infidelity? >> not till i heard. 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 y...

>> reporter: throughout the interview, david repeatedly denied having any involvement in kay's murder, or being a part of some plot to have her killed. >> never once has there been any kind of insinuation, not even insinuating, that i would ever want anything to happen to her. >> reporter: as for those repeated calls from california the morning of the murder, david insisted he was genuinely concerned about kay. >> is it normal for you to call her that early in the morning, call kay, you know, 7:00 in the morning? >> always. i always call her 'cause i, like, talked to derek before he went to sc...

Away from her family and all of her friends. >> reporter: throughout the interview, david repeatedly denied having any involvement in kay's murder, or being a part of some plot to have her killed. >> never once has there been any kind of insinuation, not even insinuating, that i would ever want anything to happen to her. >> reporter: as for those repeated calls from california the morning of the murder, david insisted he was genuinely concerned about kay. >> is it normal for you to call her that early in the morning, call kay, you know, 7:00 in the morning? >> always. i always call her 'cause ...

Where gossip tends to travel at warp speed. >> it was shocking more than anything. would've never expected it. >> did you know anything about david philandering, messing around, infidelity? >> not till i heard. 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