State prosecutors said Tuesday they have questioned a former spy agency chief under the former Roh Moo-hyun administration as part of their ongoing probe into the controversial 2007 inter-Korean summit transcript. The Seoul Central District Prosecutors\' Office concluded earlier this month that the minutes of the summit were deleted from the electronic documentation system of Roh\'s presidential office. The prosecution further said the transcript had never been filed with the state archives following a search through the National Archives of Korea (NAK).