“I’m—sh-h-h!”
Clark tuned delicately, getting the “hang” of the controls.
Out of the receiving diaphragm issued a low, male voice.
“You will return to your America.”
Desperately Clark swung the switch to the sending side.
“Who are you? Where is our boy? Roger? Is he there? Is he——”
“He is gone. The Voice of Doom spoke his sentence. He has learned the secret of the hidden darkness.”
“We’ll have a hundred thousand American troops in your darn country if that boy has been hurt——”
The other end of the transmission mocked with a hoarse laugh.
That was all.