"He seems a very pleasant fellow." "Very pleasant," Tom nodded.
"Why didn't you let him come along ?" "Because I don't like Danes' employers." "His employers ?" Harry repeated, puzzled.
"Yes; he is employed by the Colthwaite Company." "What ?" Hazelton started in astonishment.

"How do you know that, Tom ?" "I don't know it, but I'm sure of it, just the same," was Reade's answer.
"It maybe so," Harry agreed.

"What makes you suspect him ?" "Well, in the first place, Danes, if that's his name--said he hailed from Baltimore.

Yet he had none of that soft, delightful southern accent that you and I have noticed in the voices of real southern men.

Danes uses two or three words, at times, that are distinctly Chicago slang.
Moreover, I'm certain that the man knows a good deal about engineering work, though he won't admit it." "We'll have to watch him, then," muttered Harry.
"We don't need to tell him anything, nor do we need to bring him out here to see how we are filling in the Man-killer.