WEST LINN Ore. (KPTV) – Detectives have solved the 1978 cold case murder of a 20-year-old woman, according to the West Linn Police Department.
Diana Kuhn was killed in December 1978. The case went unsolved, but an investigation was recently reopened after a review of the case.
Investigators discovered a “critical” piece of evidence that had not previously been tested for DNA, and it was submitted to the Oregon State Police Crime Lab…