Lestrade began to laugh.

“You are too many for me when you begin to get on your theories, Mr. Holmes,” said he. “How does this bear on the case?”

“Well, it corroborates the young man’s story to the extent that the will was drawn up by Jonas Oldacre in his journey yesterday. It is curious⁠—is it not?⁠—that a man should draw up so important a document in so haphazard a fashion. It suggests that he did not think it was going to be of much practical importance. If a man drew up a will which he did not intend ever to be effective, he might do it so.”

“Well, he drew up his own death warrant at the same time,” said Lestrade.

“Oh, you think so?”

“Don’t you?”