"So structural aspects speak in favor of the authenticity" of the document acquired by the Wiesenthal Center.
This week, Mr. Plöckinger compared a copy of the document acquired by the center with the version of the Gemlich letter at the Bavarian State Archives in Munich.
But Othmar Plöckinger, an expert on early Hitler documents, says it appears that the document acquired by the Wiesenthal Center is the original letter written by Hitler and that the one in Munich is a copy made about the same time.
The document, acquired by NBC and dating from 2011, lays out for the first time the precise rationale for carrying out targeted killings of senior al-Qaida members who are US citizens, and who are believed to pose an "imminent threat of violent attack" against Amercia.
At the end of the war in 1217, it formed part of the peace treaty agreed at Lambeth, where the document acquired the name Magna Carta, to distinguish it from the smaller Charter of the Forest which was issued at the same time.
The Guardian revealed last month that organisations such as MI5 and the Ministry of Defence were demanding the return of secret documents acquired by the Stevens inquiry into collusion in Northern Ireland.
The latest disclosure, from documents acquired by the former NSA contractor Edward Snowden, suggests officials from the National Security Agency and its UK counterpart GCHQ have developed methods to mine and collect personal details such as age, gender and location.
(As it happens, last month, the German magazine Der Spiegel used documents acquired by Edward Snowden to break the news that the NSA monitors SWIFT).
In his quest to determine whether his father played a role in the assassination of the king of Kurash, Terry begins sifting through C.I.A. documents acquired through the Freedom of Information Act and tries to interview his parents and some of their former associates.
As of Friday, Florida officials had released only $1.9m of those funds, according to documents acquired by the Miami Herald.
