He aimed at no human target. The bullet shattered the glass lamp into a thousand shivering and tinkling splinters. Thick darkness blotted the room. Instantly thereafter a blow, a groan, and the fall of a body; then a confused clamour.

"He's here!"

"Give up that gun, damn you!"

"You got the wrong man!"

"I'm Bill Flynn!"

"Guard the door!"

"Lights, for God's sake!"

"Help!"

A slender figure leaped up against the window and was dimly outlined by the starlight outside. There was a crash of falling glass, and as two or three guns exploded the figure leaped down outside the house.

"Follow him!"