"Wherever the fellow is found, he must be seized at once," continued
Major Woodruff, warmly. "Any policeman will seize him on your request.
I will give each of you three a written statement that you have been
asked to locate Millard and have him arrested. If you run across
Millard anywhere, turn him over to a policeman, then show my written
authorization. On that the police authorities will hold the scoundrel
and notify the military authorities. Then, once we have Millard out at
Fort Craven, securely under lock and key, by authority from Washington,
we will make every effort under the sun to locate his charts and
notebooks."

"Why, the work you want us to do is going to be easy enough," murmured
Captain Jack.

"It is going to be easy, if you succeed in finding the fellow, and in
turning him over to a policeman," replied Major Woodruff. "And, by the
way, I have just remembered that Lieutenant Ridder, of the engineer
corps, reported last night from a former station in the West. No one
around here will know him. Good enough! I'll have Ridder get into
citizen's clothes and go about with you three. He can give you
instructions on any point about which you're in doubt."

"We ought to run that rascal down, sir," answered Jack Benson, rising.
"Unless--"

"Unless what, Benson?"

"Why, sir, unless he's more clever than a rascal usually succeeds in
being. I haven't lived so very long, Major Woodruff, but, from what
little I've seen of the world, it has struck me that the cleverest