they began with sherwood's account of the drive up to narrowsburg.herwood had told investigators paul asked him to stop at a walmart. >> when you get into the middletown area, you said you stopped where? >> at a walmart. >> and he went inside? >> he went inside. >> you waited outside? >> waited outside. >> and then he came out with a bag? >> yes. >> do you know what he bought? >> i believe duct tape. >> reporter: prosecutors showed jurors what investigators found when they visited that walmart. >> the state police found a receipt. only one receipt out of 30 registers that had three things on it -- duck tape, a hat and gloves. scott sherwood tells us that the defendant used tape to tape up his scrubs, he had a hat and gloves on when he went and came back from the house. >> reporter: and there was more physical evidence to back up sherwood's account. he told police he and paul crossed the george washington bridge on their way back to paul's place the morning of the murder. >> was it a toll you guys went through? >> i would assume so. we went through i