this departure from the basic columbo script work out well and for once . for reason not reveal here and columbo singular murder suspect have to be drop from consideration . from then on and the show become more like a classical whodunit . after some twist and turn and the conclusion have columbo in a room full of potential culprit and smoke out the guilty one . columbo be a clever and adept and and at home with this tactic a in his usual one on one battle . and there no skimping on the touch that make columbo a unique and special detective show .