Conversation so far:
What happened during the appeals process with Leonard Peltier?
Leonard Peltier has made a number of appeals against his murder convictions.
How have Leonard Peltier's appeals resolved?
In all Leonard Peltier's appeals, the conviction and sentence have been affirmed by the 8th Circuit Court of Appeals.
Any other factual points on the appeal by Leonard Peltier?
In 1986, Federal Appeals Judge Gerald W. Heaney, concluded on Leonard Peltier's appeals, When all is said and done ... a few simple but very important facts remain.
What were those facts that in 1986, Federal Appeals Judge Gerald W. Heaney, concluded on Leonard Peltier's appeals, When all is said and done ... a few simple but very important facts remain?
The casing introduced into evidence of Leonard Peltier's case had in fact been extracted from the Wichita AR-15
What other evidence was presented during appeals with Leonard Peltier besides The casing introduced into evidence had in fact been extracted from the Wichita AR-15?
Also admitted as evidence was the fact that Peltier was the only person in possession of an AR-15 rifle during the shooting.

Question: Was there any additional evidence?
Self-contained rewrite: Was there any additional evidence besides the fact that Leonard Peltier was the only person in possession of an AR-15 rifle during the shooting?