Hassan was sullen as he obeyed the order.
Harry had propped Clyde Burke in Palermo’s Chinese throne. Now he saw what The Shadow was doing, and came to aid. With a smile of real enjoyment, Harry put the clamps on Hassan.
The Shadow made no disposition with Palermo. The archvillain was standing by the tapestried wall.
Not for one instant did The Shadow remove his relentless eye from his enemy. He was giving orders to Harry Vincent, who was obeying them with precision. The final command concerned Clyde Burke.
Harry placed one arm under the newspaperman’s shoulder. He helped Burke across the room and through the open French doors. Then Palermo could see a man beside the autogiro. The Shadow had not come alone: he had brought an experienced pilot with him.
Burke was lifted into the plane. The pilot took his seat and turned the ship while Vincent aided from the roof. Then Harry was aboard.
The motor roared as the autogiro started across the roof. At first it clung to the top of the building and seemed endangered by a crash. Then it rose suddenly, to clear the far railing. With increasing swiftness the flying windmill moved upward and disappeared from view.
Palermo had observed it all, with staring eyes. The Shadow, his back toward the roof, had taken it for granted. He had not even made a move to turn and watch the autogiro make its successful departure.
Palermo’s intended victims had escaped his clutches. The Shadow alone remained, ready to demand a settlement for the villain’s crimes.
“Palermo,” came the sinister voice from beneath the black hat, “I demand two things. First, a confession of your double murder — your killings of Horace Chatham and Seth Wilkinson. Second, your own life.