Even if he murdered in self defense, over 40 years of prison is torture- not correction.
"Since his father has been imprisoned for the past 41 years, Wahacanka never saw or was able to visit his father outside of a prison." http://nativenewsonline.net/currents/leonard-peltiers-son-wahacanka-walks-dc-peltier-prayer-vigil/
He just lost his son as well.
Please Mr. Obama,
Presidential Pardon Now.
Then Mumia Abu Jamal.
Then release the G.H.W. Bush files, while he can still confess.
I will paint your new home for free.