![Lieutenant Columbo on Twitter: "The incorrigible, incomparable Jack Cassidy would've been 89 today. To many, he's the ultimate #Columbo baddie. https://t.co/4aTsKywlW5" / Twitter Lieutenant Columbo on Twitter: "The incorrigible, incomparable Jack Cassidy would've been 89 today. To many, he's the ultimate #Columbo baddie. https://t.co/4aTsKywlW5" / Twitter](https://pbs.twimg.com/media/Cc0KHZDUAAAXUyv.jpg)
Lieutenant Columbo on Twitter: "The incorrigible, incomparable Jack Cassidy would've been 89 today. To many, he's the ultimate #Columbo baddie. https://t.co/4aTsKywlW5" / Twitter
![WAS JACK CASSIDY THE BEST COLUMBO VILLAIN OF ALL TIME? THE TRAGIC DEATH OF JACK CASSIDY - The Life & Times of Hollywood WAS JACK CASSIDY THE BEST COLUMBO VILLAIN OF ALL TIME? THE TRAGIC DEATH OF JACK CASSIDY - The Life & Times of Hollywood](https://i0.wp.com/thelifeandtimesofhollywood.com/wp-content/uploads/2017/07/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaacass6.png?fit=1044%2C783&ssl=1)
WAS JACK CASSIDY THE BEST COLUMBO VILLAIN OF ALL TIME? THE TRAGIC DEATH OF JACK CASSIDY - The Life & Times of Hollywood
![Six full episodes of Columbo are streaming on the official Columbo YouTube page, and not a moment too soon. Six full episodes of Columbo are streaming on the official Columbo YouTube page, and not a moment too soon.](https://compote.slate.com/images/6a7d6056-84ac-4bc9-b323-623e04e463bf.jpeg?width=780&height=520&rect=1560x1040&offset=0x0)