DNA Used to Create Sketches of Possible Suspect in 1987 Unsolved Double Homicide

Police are hoping enhanced DNA technology will help them identify the suspect in a 30-year-old cold case. In 1987, 18-year-old Tanya Van Cuylenborg and 20-year-old Jay Cook were found dead in Washington State, while visiting from Canada. Investigators were able to create sketches of a possible suspect using DNA phenotyping, which analyzed a sample of DNA found at the crime scene for physical characteristics.