By Holly Menino
August 6, 2009

Police say that after 31 years of investigating, science may lead to answers in the murder of teenager Karen Whiteside, who was found strangled to death outside an elementary school in 1978. If you have any information regarding Whiteside's death, call Crimestoppers at 1800-3-DETECT. You could earn up to a $1,000 reward for information that leads to an arrest.