Law enforcement stuck with it and solved this 1978 case

https://www.msn.com/en-us/news/crime/authorities-name-long-dead-suspect-in-callous-murder-of-couple-killed-while-backpacking-in-oregon-in-1978/ar-AAUlVpC?ocid=msedgntp

Such a contrast to the actions and attitudes of the MSP and Oakland County in the OCCK case.