The Case of the Golden Bullet
Horn and Muller both looked the young man over very carefully. He seemed perfectly innocent, and their suspicion that he might have turned the key in pretense only, soon vanished. It would have been a foolish suspicion anyway. If he were in league with the murderer, he could have let the latter escape with much more safety during the night. Horn let his eyes wander about the rooms again, and said slowly: "Then the murderer is still here--or else--"
"Or else?" asked the doctor.
"Or else we have a strange riddle to solve."
Johann had laid the pistol down again. Muller stretched forth his hand and took it up. He looked at it a moment, then handed it to the commissioner. "We have to do with a murder here. There was not a shot fired from this revolver, for every chamber is still loaded. And there is no other weapon in sight," said the detective quietly.
"Yes, he was murdered. This revolver is fully loaded. Let us begin the search at once." Horn was more excited th