Santa Cruz sheriff's deputies responded to Aptos Village Park on May 28, 1976, over reports of a dead woman. There, the body of 25-year-old Karen Percifield was found.

A man convicted of two murders in the 1970s has been identified as the killer of a woman found dead in a Santa Cruz County park 40 years ago. Richard Sommerhalder was initially named as a person ...

Advanced DNA testing and forensic genetic genealogy leads to the ID of a suspect in the 1976 murder of 25-year-old Karen Percifield in Aptos, Calif.