It’s a mystery. So, before we try to solve it, let’s get our head in the game which, you should know by now, is afoot).  Here are a few quotes to ponder: “There are four kinds of homicide: felonious, excusable, justifiable, and praiseworthy.” (Ambrose Bierce) “I knew one thing: as soon as anyone said you didn’t need a gun, you’d better take one along.” (Raymond Chandler) “The problem with putting two and two together is that sometimes you get four, and sometimes you get twenty-two.” (Dashiell Hammett)  “You have a grand gift for silence, Watson. It makes you quite invaluable as a companion.” (Sherlock Holmes via Sir Arthur Conan Doyle) And my favorite: “Except for cases that clearly involve a homicidal maniac, the police like to believe murders are committed by those we know and love, and most of the time they’re right—a chilling thought when you sit down to