Prince William County police continue to try to solve the murders of Karen Scarbrough, Sharon Lake and Deborah Frank. All three women were found shot in the head on the floor of a Ryland Homes sales trailer in the county on June 24, 1978. Thirty five years later, police are still asking for the public's help to solve this crime. Police are asking you to provide them with any information that you may have via Facebook, email or phone. You can email the police at email@example.com or call 703-792-6500.