Calgary police has been doing good work going back through cold cases.
My ex-wife was close friends with Adrienne McCool.
Everyone knew that her boyfriend did it. But they couldn't prove it. Until technology advanced. And then they went and got the MFer.
https://www.cbc.ca/news/canada/calga...20and%20beaten
The closure it offers families cannot be under-stated. It allowed everyone in her life to move on finally.