The children and their mother, Leslie Guthrie, were last seen on February 6, 1977, leaving their home in Katonah, New York and riding in a 1974 Ford Maverick with New York tags 636-WNA, similar to the one shown. The vehicle was described as a 2 door sedan with a white body and a green leather roof. Julie's photo is shown age-progressed to 51 years and Timothy's photo is shown age-progressed to 48 years. Leslie's photo is shown age-progressed to 65 years.