Demjanjuk ,sad case

I do not know if Mr Demjanjuk is guilty of any crimes related to Holocaust by the Nazi,s.He has become a symbol of how not to try this type of cases without thorough preparation.May be after almost 70 years and most faded memories it is impossible to prosecute any body new for the crimes committed then.
Mr Demjanjuk, was tried by Israeli courts and found guilty for being Ivan the terrible guard in other prison camp.Then the Israeli supreme court reversed its decision and overturned the verdict.Does it mean that he was innocent of crimes charged for ,No body knows except MR Demjanjuk.We know if Israel supreme court ruled in his favor their was not enough evidence to convict him.
AS he was charged with one crime committed so long ago and found not guilty .I think Wiesenthal center is being obstinate in trying to convict him of any crime they can find him guilty.I think they should stop focusing on this man and focus their attention on the genocides being committed on ordinary people in other places in this planet.That will be worthy of such an auspicious organization.