Killinger continued to report on the way Romania had decided to carry out its own program of extermination, and, in August 1941, alarmed the authorities in Berlin with evidence that Antonescu had ordered 60,000 Jewish men from the Old Kingdom to be deported in Transnistria, during September, he engaged Transnistrian Governor Gheorghe Alexianu in talks over the situation of ethnic Germans (Volksdeutsche) in the area, who were by then coming under the leadership of a Volksdeutsche Mittelstelle.
[...] at this moment, I do not intend to benefit from the Führer's goodwill, for it would be awkward for me to execute people who have collaborated with my Government. Hitler that all the Romanian political refugees be kept under close surveillance and in case I or the German Government would note that they do not abide by the obligations contracted, I'll ask for them to be extradited and tried.
Killinger was from an aristocratic Swabian-Frankish family originally from the "knightly territory" of Kraichgau in Baden-Württemberg.
He completed his primary education in Nossen, and gymnasium in Meissen and Freiberg, becoming a cadet of the Ritter-Akademie in Dresden.
Starting in September, Wisliceny helped implement a series of racial antisemitic measures, which contrasted with previous religious discrimination policies and culminated in the application of the "Final Solution" after 1942 (see History of the Jews in Slovakia).
replacing Wilhelm Fabricius and maintaining links with the fascist regime of Conducător Ion Antonescu (see Romania during World War II).