Final answer:
In "The Purloined Letter" by Edgar Allan Poe, Connor finds out he is being unwound by closely examining a letter and discovering that it had been turned inside out and re-directed.
Step-by-step explanation:
In the short story entitled "The Purloined Letter" by Edgar Allan Poe, Connor finds out he is being unwound by closely examining a letter. While engaged in a conversation with the Minister, Connor secretly focuses his attention on the letter, committing its appearance and arrangement to memory. Through his careful examination, Connor discovers that the edges of the paper are chafed, indicating that the letter had been turned inside out and re-directed.