so we came inside. We found all the guards and officers unconscious, laid out!"
"What's that?" the chief cried. "What laid 'em out? What's happened out there?"
"We just got inside the building—haven't had time to investigate—don't know what's been going on!" Officer Riley gasped. "Thought I'd better call you at once."
"Keep your eyes open—we'll be right up there!" the chief cried. "Keep right on the job!"
"Better bring the police surgeon with you, chief. There seems to be something wrong with these men."
That telephone conversation caused another tumult at police headquarters. The chief bellowed his orders, then ran with Verbeck and Muggs to the former's roadster, which was in readiness at the curb. With Verbeck at the wheel, the powerful car dashed through the streets toward the museum, and behind it came half a dozen police department autos filled with detectives.
They reached the museum, left the cars and hurried to the entrance. One of the men inside unlocked and opened the door.
"They are still unconscious, chief!" he reported. "Looks to me as if they had been doped."
The police surgeon made a swift examination.
"They have been drugged," he announced, "and pretty badly, at that. I'll have to get busy on them at once, or we'll have dead men on our hands."
"Bring them around as soon as you can," the chief said. "I want to hear what they've got to say. And you men search the entire building! We'll look into this! One of you call up the su-
