linge spent ten years in soviet captivity and was released in 1955. during the imprisonment, linge and günsche were interrogated by soviet nkvd (later superseded by the mvd, separate from the agency of the kgb, formed in 1954) officers about the circumstances of hitler's death. a dossier was edited by soviet nkvd officers and presented to stalin on 30 december 1949. the report was published in book form in 2005 under the title: . linge died in hamburg in west germany in 1980. his memoir, "with hitler to the end", was published by frontline books-skyhorse publishing, inc. of london in july 2009 with an introduction by historian roger moorhouse, author of "killing hitler".