Analysis of information sources in references of the Wikipedia article "Mehmet Ali Ağca" in English language version.
... AA remembers John Paul II's 1979 visit ... reported by the New York Times. "One cause of concern was a threat to the pope by the self-confessed killer of an Istanbul newspaperman," the paper said. "Ali Agca called the pontiff 'the masked leader of the crusades' and warned that if the visit were not canceled he would shoot the Roman Catholic leader." Mehmet Ali Agca would indeed fire four bullets into John Paul II on May 13, 1981
ANKARA, Turkey, Nov. 27 — ... Threat to Kill Pope
One cause of concern was a threat to kill the Pope by the self‐confessed killer of an Istanbul newspaperman who escaped from a military prison Sunday. In a signed letter to the independent daily Milliyet, the paper whose editor was killed in February, the fugitive, Ali Agca, called the Pontiff "the masked leader of the Crusades," and warned that if the visit were not canceled he would shoot the Roman Catholic leader in "revenge" for the recent attack on the Grand Mosque in the Islamic holy city of Mecca, an attack that he alleged was of American or Israeli origin.
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