"Roughly a month later, it all came to an end, along with the life of 22-year-old actor and writer Richard Adan. The newly married manager of his father-in-law's Manhattan restaurant had made the mistake of telling Abbott that the washroom was for the staff and not for customers. The thinker obsessed with a vision of more elevated human relations proceeded to knife Adan to death in an argument over a toilet. Adan was left to die on the sidewalk."
Another article about the Adan murder here.
(Denny Crane: "I Don't Want To Socialize With A Pinko Liberal Democrat Commie.Say What You Like About Republicans. We Stick To Our Convictions. Even When We Know We're Dead Wrong.")