The collection contains approximately two thousand personal files of Jews suspected or accused of various crimes (e.g. thieves, crooks, forgers, etc.) listed by the Investigation Office in Warsaw. Files contain the dossier of a person, information sheet, which includes the following data: name, alias, date and place of birth, place of residence, marital status, parents' names, personal data spouse, names of children, information about the lovers, people with whom a person maintains contact or collaborate in criminal activities, occupation, religion, military service, description, additional...