As a force that had to serve two masters, both the Jewish population of the Kovno ghetto in Lithuania and its German occupiers, the Kovno Jewish ghetto police walked a fine line between helping Jews survive and meeting Nazi orders. In 1942 and 1943 some of its members secretly composed this history and buried it in tin boxes. A comprehensive description of the origins of the ghetto police, its development, it's leadership and the relations of the police with the rest of the ghetto administrations with Nazi collaborators inside the ghetto with German and Lithuanian guards and policemen in the ghetto area and with the ghetto population in general.