David Havin News Today

He says, "i believe my sister had something to do with it." >> reporter: and who was jerry jaocbs sister? well, becky sears. kays best friend and neighbor. >> i think my jaw dropped right then. wasnt expecting that. he dropped a bombshell. >> reporter: beckys 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. >> shed come and meet one day or there in the parking lot crying. and i was lik...

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, "theres no way. theres no way." >> reporter: the news about the affair didnt surface until after kay had been buried. david was still seen then as the grieving husband. >> if i woulda known about that affair, i dont think there woulda been as much support for david at the funeral or at th...

>> reporter: throughout the interview, david repeatedly denied having any involvement in kays 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, 7:0...

Away from her family and all of her friends. >> reporter: throughout the interview, david repeatedly denied having any involvement in kays 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 ...

Where gossip tends to travel at warp speed. >> it was shocking more than anything. wouldve 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, "theres no way. theres no way." >> reporter: the news about the

He says, "i believe my sister had something to do with it." >> reporter: and who was jerry jaocbs sister? well, becky sears. kays best friend and neighbor. >> i think my jaw dropped right then. wasnt expecting that. he dropped a bombshell. >> reporter: beckys 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. >> shed come and meet one day or there in the parking lot crying. and i was lik...

Then. wasnt expecting that. he dropped a bombshell. >> reporter: beckys 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. >> shed come and meet one day or there in the parking lot crying. and i was like, you know, "whats wrong?" and thats whenever she told me she was having the affair. >> he then goes on to say that becky was, had been pretty upset, crying because david wont leave kay. ...

The, on my cell phone and asked me, he said, "did you hear about david havin an affair with becky?" and i said, "theres no way. theres no way." >> reporter: the news about the affair didnt surface until after kay had been buried. david was still seen then as the grieving husband. >> if i woulda known about that affair, i dont 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, ...

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, "theres no way. theres no way." >> reporter: the news about the affair didnt surface until after kay had been buried. david was still seen then as the grieving husband. >> if i woulda known about that affair, i dont 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 ...

>> i think my jaw dropped right then. wasnt expecting that. he dropped a bombshell. >> reporter: beckys 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. >> shed come and meet one day or there in the parking lot crying. and i was like, you know, "whats wrong?" and thats whenever she told me she was having the affair. >> he then goes on to say that becky was, had been pretty upset, cryin...