. "turkish police chief" . "2001Z"^^ . "Okkan, Gaffar"@en . . "1952-01-01Z"^^ . "1952Z"^^ . "Ali Gaffar Okkan (1952 \u2013 January 24, 2001) was a Turkish police chief who was assassinated in an ambush in Diyarbak\u0131r, southeastern Turkey."@en . "2001-01-24Z"^^ . .