CBS Chicago Vault: A look at the Valerie Percy murder 25 years later
Valerie Percy, the 21-year-old daughter of then-U.S. Senate candidate Charles Percy, was found beaten and stabbed to death in her Kenilworth home on Sept. 18, 1966. John Drummond has this look at the still-unsolved case from the Channel 2 News on Sept. 18, 1991.