"But what have they done?" urged Betty impatiently.
"I don't know what they've done," admitted Bob. "I'll tell you what I think, though. I think they're a pair of sharpers, and out to take any money they can find that doesn't have to be earned."
"Why, Bob Henderson, how you do talk!" Betty reproached him reprovingly. "Do you mean to say they would rob anybody?"
"Well, probably not through a picked lock, or a window In the dead of night," answered Bob. "But taking money that isn't rightfully yours can not be called by a very pleasant name, you know. Mind you, I don't say these men are dishonest, but judging from what I overheard they lack only the opportunity.
"They're going to Oklahoma, too, and that's what interested me when I first heard them," he went on. "The name attracted my attention, and then the older one went on to talk about their chances of getting the best of some one in the oil fields.
"'The way to work it,' he said, 'is to get hold of a woman farm-owner; some one who hasn't any men folks to advise her or meddle with her property. Ten to one she won't have heard of the oil boom, or if she has, it's easy enough to pose as a government expert and tell her her
