>> marianne victoria crandall. >> out of the presence of the jury, marianne crandall told the court thatrie zuck, she met tom through dar. and a couples of weeks after dar's murder, marianne stopped by the farm to offer 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 at the house. >> but the jury never heard marianne 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've proven that. >> but norris still had her two key witnesses, tom's own son and heath's friend, skylar. both two years older and now more certain than ever ab