The Detective Did It. Now Go Home.

The Mousetrap, the world’s longest-running play, just celebrated its 60th anniversary. Agatha Christie’s knackered old whodunnit has been dulling the senses of audiences for longer than I’ve been alive, and just hit its 25,000th soporific performance.

The eyelid-dropping warhorse was past its sell-by date long before it even opened, a time when Francis Durbridge thrillers [...]