. >> reporter: out of the presence of the jury, marion crandall told the court that, like carey zuck,he met tom through dar and a couple of weeks after dar's murder, marion stopped by the farm and offered tom support. >> i don't mean to embarrass you but you had sex with tom in his living room? >> he tried to and it was stopped. >> who tried and who stopped? >> he tried and we both stopped. >> you don't have a sexual relationship with somebody within two weeks after your wife's been murdered in that house. >> reporter: but the jury never heard marion crandall's testimony. because there was no indication of a romantic relationship prior to dar's murder, the judge ruled just as he did in the first trial -- that her testimony was prejudicial and therefore inadmissible. it was a huge blow to the prosecution's case. >> it supports the position that they weren't this deeply in love couple that he kept trying to present. that would have proven that. >> reporter: but norris still had her two key witnesses. tom's own son heath and heath's friend sklyar wattie. both two years older and now more