He takes a fancy to exchange raiment with the miller.

Then, smearing his face with meal, he goes back to the Confederate camp in a new character.

Even if he is surprised he will escape suspicion, for the miller is a pronounced disunionist, and he looks his very image.
His midnight ramble enabled him to learn precisely what it was important for Garfield to know.

He found out their exact position, and that they had laid an ambuscade for the Union commander.

They were waiting for him, strongly posted on a semicircular hill at the forks of Middle Creek, on both sides of the road, with cannon commanding its whole length, hidden by the trees and underbrush.
"They think they've got you, general," said Jordan.