lance kirkpatrick is the one person you haven't been able to talk to? >> that's correct. >> reporter: derrick had also insisted that lance had been on a shrimp boat all week. challenging that story. what does this mean to you? >> what that tells us is he's in town. he's not on a shrimp boat. >> that's picking up team again. that helped us go in the direction that we needed to go in to put the pieces of this puzzle, the pieces of this case together. >> reporter: the woman said someone had taken her car in the early morning hours of october 27th. only he never came back. where is lance kirkpatrick? does anyone know? >> not at that point. >> reporter: any friends or family who had any idea where he was? >> no. we talked with his father and grandmother. they hadn't heard from him. him and his father had a -- wasn't the best relationship. so it wasn't unusual that they wouldn't hear from him for a period of time. >> reporter: suddenly, they remembered the neighbor who saw a small suv the day kim died. his description matched that of outside the dorseys' gated