How can the pigeon help?

Hint 1 of 6:

The pigeon is not worried about General Pugh; that is not his job.

Hint 2 of 6:

What is its job?

Hint 3 of 6:

The pigeon is a carrier pigeon.

Hint 4 of 6:

He carries messages from one place to another and back.

Hint 5 of 6:

Hmm.  Where does the pigeon go to from the Franklin house?