"Oh, I couldn't tell you now," laughed Jack. "It would take all day and then some to tell you all that's happening around here. But, let me tell you, between Dad's business opponents and a gang of Mexican bandits that appeared on the scene lately, things are getting pretty lively. Say, when are you coming? Now's the time if ever——"
Suddenly, Jack's voice ceased abruptly, to be succeeded a moment later by his agonized cry for "Help." Then there was a crash that rang in the eardrums of the alarmed boys listening in. Then, silence.
"Jack. Jack," they called. "What's the matter?"
There was no answer.
CHAPTER II
THE ENEMY NEAR
Frank Merrick and Bob Hampton looked at each other in alarm. Their faces were pale.
That cry for "Help" which abruptly had cut off Jack's voice as he spoke to them from his radiophone station 2,000 miles away in New Mexico still rang in their ears. Their heads still hummed from the vibrating crash which had succeeded. What did it all mean?
Frank snatched the receiver from his head, while Bob removed his more slowly. Frank voiced the question in each mind as he said in a tone of apprehension:
"What do you think happened to Jack?"