Ok I think we are getting real close I have an issue with the order of clauses in the first line The current wording gives too much weight to Oswald being the assasin as a firm fact vs being identified found as the assassin Compare to Ruby as the killer of Oswald that was caught on film redhanded Lee Harvey Oswald 1939 10 18 1963 11 24 was the assassin of US President John F Kennedy according to four US government investigations into the assassination How about Lee Harvey Oswald 1939 10 18 1963 11 24 was according to four US government investigations the assassin of US President John F Kennedy or According to four US government investigations Lee Harvey Oswald 1939 10 18 1963 11 24 was the assassin of US President John F Kennedy