Doc Pick Lock

Doc turned into one of the largest apartment houses on that side of Central Park. He rode an elevator to the twentieth floor.

Here Jerome Coffern had lived alone in a modest three-room apartment which was filled almost entirely with scientific books.

The locked door quickly yielded to Doc's expert wielding of a small hook which he made by bending the tongue of his belt buckle. He entered. He paused just inside the door, bronze face grim.

- The Land of Terror (1933) Chapter 5