As a hardcore mystery buff, I recently had the great fortune to watch two not-so-recent films that I hadn't seen in awhile. Let's be honest, the pickings of whodunits available on streaming services and in local movie houses have been mighty slim in recent years, consisting largely of Kenneth Branagh's pretty-but-vapid forays into overtrod Christie territory, Britwit non-coms such as See How They Run , and adaptations of bestselling wallows that are more soap opera than actual mystery. But, whatever. As a fan of the genre, I'm thankful for what I can get (excepting, of course, those tiresome and dreadfully overrated Rian Johnson collabs with Daniel Craig). And so it was with a happy heart that I rediscovered Costa Gavras' all-but-forgotten 1965 film debut Compartiment Tueurs ( English title: The Sleeping Car Murders) , and Dario Argento's Cat O'Nine Tails , a once-despised Eurodud that has received a limited reappraisal in the ensuing 50+ years since its