C936 guerilla tactics

"Mr. Thorn, there is a footprint here." At the edge of the river in the woods, Jack spotted a very obvious footprint on the ground. He squatted down next to it and said, "It looks like a new footprint."

"Good observation." Thorn praised: "You really worked hard, mastering the things I gave you very well. But can you tell me why that person would put on your disguise