By Antony Clements-Thrower Police investigating the 30-year murder of a woman shot dead at point-blank range by a man disguised as a pizza delivery driver remain “determined” to find the killer. Karen Reed, 33, was at her home in Woking on April 30, 1994, when she answered the door and found a man holding a blue and white pizza box. He asked her to confirm the address and when she died, shot her five times. An ambulance was called but Karen sadly died at the scene. Police believe the murder was a contract killing and Karen – who had no involvement in any criminal activity – was the victim of m…