May 28, 2012 4:14 PM
TONIGHT AT 10 - News 4 Tucson's Crime Trackers report on a disturbing crime committed over 30 years ago in the Southern Arizona desert.
Two women hitchhiked out of Downtown Tucson 31 years ago - one was murdered, the other managed to escape and help detectives make a composite sketch of the alleged killer.
Can you help solve this cold case? Tune in to News 4 Tucson, tonight at 10 p.m., for the Crime Trackers report.