steal our scientific secrets. This could touch off a whole epidemic of
sabotage and other spy activity!"

Tom's jaw clenched grimly. He then asked the FBI man his opinion about
the discovery of the secret arms cache in Pete Latty's basement.

Norris admitted he was puzzled. "It doesn't add up, Tom," the FBI agent
said thoughtfully. "If our enemies were planning to destroy Shopton by a
quake, why would anyone be needing a gun?"

"I can't figure it myself, Wes--unless they were planning to raid and
loot Enterprises after the place was thrown into disorder," Tom deduced.
"What about Narko himself? Has he talked yet?"

Norris replied that although he had not interviewed Narko himself, FBI
agents who had grilled the spy had failed to elicit any information.

"Here's something else, though, which might interest you," Norris went
on. "We now have reports that at the time of the Harkness and Medfield
disasters, seismographs recorded simultaneous quakes off the coast of
Alaska near the Aleutian chain. Tremors were also felt off the southwest
coast of South America."

A new factor to consider! Tom frowned in puzzlement as he hung up the
telephone after completing his talk with the FBI man.

After Tom had repeated the conversation to his companions, Bud said,
"You mean the H-bomb idea goes out the window?"

Tom shrugged. "Wes says they've found no evidence to support the theory