Jerry Jaocbs 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...

They had shown jerry photos of the murder weapon before. >> does that look familiar to you? >> no. right. i mean it's brand new. >> reporter: then in a follow-up interview jacobs came back and told investigators he recognized the hammer. he said it came from becky's garage, a place chris often went to borrow tools. >> i've seen the hammer in the toolbox in the garage. >> what toolbox? where are we talkin' about? >> in my sister's garage. >> reporter: sheriff's deputies found chris in front of the home becky had bought for him packing his truck for a weekend getaway. >> did he ask what was goin...

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...

Leads to work in the pair of crimes he was trying to solve, the murder of kay parsons, and the shooting of her neighbor becky. 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 ...

>> 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 then goes on to say that becky was, had been pretty upset, cry...