Earth Day co-founder killed, composted girlfriend
Ira Einhorn was on stage hosting the first Earth Day event at the Fairmount Park in Philadelphia on April 22, 1970. Seven years later, police raided his closet and found the "composted" body of his ex-girlfriend inside a trunk.
https://www.nbcnews.com/id/wbna42711922#.UXVKm7XztRK