wecht has been involved in thousands of cases, from the jfk assassination to o.j.. >> you were asked to attempt to determine approximate time of death for shirley carter, is that correct? >> yes. >> were you able to do that to a reasonable degree of medical certainty? >> yes. >> reporter: wecht told the jury that shirley may have been killed two hours earlier than anyone had thought possible. if he was correct, then shirley was murdered around 9:00 a.m., when jason was seen on video clearly still at the granary. he could not have killed his mother. >> so when the state says to you, "all clues point to one conclusion," it's all the clues that the tunnel vision of law enforcement and one investigator in particular went after. >> reporter: the defense attorney said the tunnel-visioned investigator was special agent mark ludwick. now, he reluctantly became her star witness, with branstad rattling off the names of people who'd come up during the investigation. ludwick fumbled. >> you were not very aware of callie shin's involvement? >> that's probably correct, yes. >> n

wecht, believed someone killed rebecca and then placed her body at the end of the rope.nd he began to develop a theory as to who. >> the writing on the door is the key to the case. >> reporter: remember the message painted on the bedroom door? sheriff's investigators initially declined to reveal what it said. greer eventually found out. the message, scrawled in black acrylic paint, read, "she saved him, can you save her?" greer believed the message was not written by rebecca, it was written about her. >> reporter: who'd she save? she didn't save max. >> she saved max. she did save max. at the time. you have to look at this in context. >> reporter: remember, rebecca said she did cpr on max after he fell. >> reporter: so at the time, those words were written, max was still alive. >> max was alive. >> reporter: and maybe because of her efforts. >> it wasn't maybe because of her efforts. it was exactly because of her efforts and that's why it's the key to the case because i know whoever committed the murder knew that rebecca had saved max. >> reporter: it was, he said, a sma

wecht would agree, when you have a contest of an issue such as cause and manner of death it is not atmmon for doctors to disagree on cause and manner of death, this is a medical and legal determination that's why it's not an exact science. there is a subjective aspect of this, it is very important to wait until the fbi completes the entirety of the investigation so all of the pieces of this puzzle can be looked at in its entirety and then i think we may get a more complete picture. dr. bodden certainly raises questions that are worth further examination but we need to wait because there could be things like life insurance issues or the possibility of a civil lawsuit against the bureau of prisons moving forward and this may be the opening salvo in the family's efforts to address those legal matters. >> dana: dr. wecht one last quick question to you, what other investigation could be done from your perspective or is it finished? >> the investigation should've commenced when the body was found and it should have been left untouched is my understanding the body was removed come the legs w

these people are great people, as are all of our clients wecht to do atever we n do to help them stay online and keep moving forward so that they can process the fruit. >> he still has a lot of work ahead over the next couple days. he is going to have to unplug let eye of the generate he is. it's the same for businesses in this area. they're going to have to recover many of the losses from the last couple days. from napa valley. kris reyes for abc 7. >>> and pg&e is coming under intense criticism for holding a party this week while the utility planned the massive blackouts on top of that on the anniversary of the devastating north bay wildfires. i-team reporter dan noyes huss a chance to the the pg&e president and ceo about the decision at a news conference yesterday afternoon. >> reporter: pg&e held a wine tasting at the silver oak winery out outside healdsburg monday and tuesday this week for the top natural gas khmer. 60 people in all. it was funded by shareholders they say not with rate payers dollar. senator jerry hill is not sure. >> on politic willing events the shareholders pa