did, I caught the surrounding strap in my fingers just above the fastening and tore the staple out of the lock. Those locks, you know, are pretty flimsy as a rule.'
Here Marlowe paused and walked to the oaken desk before the window. Opening a drawer full of miscellaneous objects, he took out a box of odd keys, and selected a small one distinguished by a piece of pink tape.
He handed it to Trent. 'I keep that by me as a sort of morbid memento. It is the key to the lock I smashed. I might have saved myself the trouble, if I had known that this key was at that moment in the left-hand side-pocket of my overcoat. Manderson must have slipped it in, either while the coat was hanging in the hall or while he sat at my side in the car. I might not have found the tiny thing there for weeks: as a matter of fact I did find it two days after Manderson was dead, but a police search would have found it in five minutes. And then I–I with the case and its contents in my pocket, my false name and my sham spectacles and the rest of it–I should have had no explanation to offer but the highly convincing one that I didn't know the key was there.'