then thistesto -- dennis testo was accused of murdering his wife, although nobody was ever found. >> there was testimony that there were several discrepancies in his stories, raising suspicions that ultimately led to his arrest. >> as lead investigator in the disappearance, the detective knew every detail about the case and thursday told the jury all about it. the detective first interviewed dennis tetso three days after tracy's disappearance. he testified that he told him he was home the day tracy went missing, watching his truck. he said dennis told him that tracy had returned home from the store or around 2:00 in the afternoon on march 6, went into the home, and then he never saw her again. he then sat around six of 30 that evening he went inside the house to take a shower, and when he was done, he noticed that a tv in the living room was off that had been on, and her friend sam was gone. the detective tech into -- phoned into tetso's records. he went back and ask dennis and he said he had forgotten he had run an errand that day at cycle world in anne arundel county. after intervi