The Patriots have released e-mail correspondence with the league over the DeflateGate investigation. The league looks terrible.
The New England Patriots have released e-mail correspondence with the NFL from back in February with regards to the league's leaks to ESPN. I highly recommend reading it because it shows that the league knew exactly how the Patriots would be portrayed in the media and that the NFL had no interest in toning down the inferno that was happening across all mediums.
This is a summary of the communications, for those uninterested in reading.
Patriots to NFL (P2N): Hey Jeff Pash, ESPN received a leak from the NFL that the Patriots tried to introduce unapproved footballs into the kicking game (here's the article in question).