we're going based on one detective's notes saying that he didn't go home that day. >> reporter: david dooleyays he knows what he told them. >> i did tell them i went home. i was always very adamant about that. >> reporter: dooley never testified in front of the jury, but he did talk to "dateline" about the case against him and his story that differed from his wife's. you say you went home to check on your wife. they talk to your wife, and she says he never came home. then later, in a separate interview she says he came home because he tore his pants and he came home to change his pants. so what's the truth and why can't you and your wife agree on the same story? >> we do agree that i came home. i have never heard an interview where she said that i did not come home. this was his testimony. >> reporter: the detective? >> as far as i'm concerned, yes. as far as i'm concerned it is not the truth if it cannot be factually proved. >> reporter: did you go home to change your pants? >> no, i did not. >> reporter: why would your wife say that you did? >> i do not know. we've talked about that a coup

jurors had listened for twelve days as prosecutors laid out a very circumstantial case against david dooley. so circumstantial that his defense attorneys chris roach and tom pugh say they sometimes wonder why dooley was even on trial. >> we were trying to figure out exactly what they were saying linked david to this murder at all. the one thing that we could see that was bad for him at that point was just that he went home that day. >> reporter: in court prosecutors had focused on that trip home and, according to detectives, that dooley never mentioned the trip in his first statement to them. but the defense said because that interview wasn't recorded, what can anyone really know about what was or wasn't said? >> without actually having his interview, now we're going based on one detective's notes saying that he didn't go home that day. >> reporter: david dooley says he knows what he told them. >> i did tell them i went home. that. >> reporter: dooley never testified in front of the jury, but he did talk to "dateline" about the case against him and his story that differed from his wife's. y

some 16 hours over two days, word came there was a verdict. >> we the jury find the defendant, david dooley, guilty of murder under instruction number five. >> reporter: guilty of the murder of michelle mockbee. the jury foreperson told "dateline" that in the end david and janet's own statements, which jurors felt were inconsistent, helped them reach their verdict. david dooley was sentenced to life in prison. he says he regrets not taking the stand and has filed for appeal. did you have anything to do with the death of michelle mockbee? >> no, i did not. i did not kill her. >> reporter: you know getting convictions reversed on appeal is a long shot. >> but when you're innocent, it does happen. and it will happen just like it always has. >> reporter: you think you'll be

defense was about to point out to the jury all the hard evidence investigators didn't have on david dooley. >> dna evidence, murder weapon, blood evidence, marks on david >> reporter: and the defense would ask who else might have more of a reason to want michelle dead. >>> coming up -- >> did you have anything to do with the death of michelle mockbee? >> no, i did not. i did not kill her. >> mystery dna. a possible intruder? a husband on the stand. so many questions. and a final bombshell from the >> reporter: jurors had listened for twelve days as prosecutors laid out a very circumstantial case against david dooley. so circumstantial that his defense attorneys chris roach and tom pugh say they sometimes wonder why dooley was even on trial. exactly what they were saying linked david to this murder at all. the one thing that we could see that was bad for him at that point was just that he went home that day. >> reporter: in court prosecutors had focused on that trip home and, according to detectives, that dooley never mentioned the trip in his first statement to them. but the defense said b

so what motive would david dooley have to kill michelle mockbee? >> reporter: but it was only aftethe defense had wrapped up its closing that the prosecutor gave her answer to that question, laying out her theory of motive for first time. >> i would suggest to you that the evidence is right in that stack of stuff over there. you have time cards, you have invoices, all kept in michelle's office. >> reporter: you think the motive was the t te cards? >> yeah. i believe that michelle had actually discovered the fact that he had actually been tripip-dipping by clocking himself in, clocking his wife in and getting paid hourly to do a job that they were already being paid a monthly salary to do. >> reporter: that feels like a thin motive. >> sometimes, desperate people do desperate things. >> reporter: the defense challenge that theory in court, but they say there was zero evidence presented by the prosecution to prove it. >> the thing about it is if there was some evidence, they would have put it in there. >> reporter: what about the theory that you were

conversation about suicide prevention david but the situation is difficult for so many people in the community to deal with it like to leave your condolences for the dooley family you can do so on a website to find the link on our homepage with the store coverage again as we learn more about this murder suicide and the victim's new information on the explosion of the cell then arcade in norfolk the final report came out today in last april's explosion shows the blast happened outside in the building's main power feed a contractor hitting a power line caused the blast the report called the explosion an accident and right now the city owns the building but city leaders are looking into the possibility of selling it norfolk treasurer anthony birth but is trying to delay his corruption trial. that's according to our partners at the virginian pilot the paper reports that burr flint attorney requested a postponement saying he needs more time to prepare the jury trial is set to start in may and could last a month. last week barefoot pleaded not guilty to the corruption charges he's accused of taking thousands of dollars in bribes from a developer breaking news