Records show Maynard switched to the Republican Party late last year.
The 67-year-old had been a Mingo County Circuit judge when he won a Supreme Court seat in 1996. But he lost the 2008 primary loss amid a conflict-of-interest scandal involving photos showing him socializing in Monaco with coal executive Don Blankenship.
Blankenship runs Massey Energy, which had several major cases before the court at the time.
Maynard could not immediately be reached for comment Friday. Recent polling has sought to measure his chances against Democratic U.S. Rep. Nick Rahall.





