Media coverage has been sparse. The Bangor Daily News political blogger Chris Dixon wrote a series of items about the messy scandal, and here are links to those posts.
The "Penobscotgate" Scandal:
The Penobscot Heist: When Republicans Play Like Democrats
Maine GOP Chairman Responds to Penobscotgate
Two State Committeemembers Resign Over Penobscotgate
The Penobscotgate Plot Thickens
Three Penobscot County Republican activists quit party, claim committee vote shenanigans (Reporter Christopher Cousins wrote this article, which is essentially correct, but has numerous details which are faulty.)
The Maine State GOP Committee Budget Breach:
Maine GOP Violating Multiple Bylaws, Operating Without Budget
General Corruption:
Prominent Republican Calls for Maine GOP Chairman's Removal