In this practical handbook Jonathan Oates introduces the fascinating subject of criminal history and he gives readers all the information they need to investigate the life stories of criminals and their victims. He traces the development of the justice system and policing, and gives an insight into the criminal world of the times and the individuals who populated it. In a series of concise chapters he covers all the important aspects of the subject. At every stage, he guides readers towards the national and local sources that researchers can consult the libraries, archives, books and internet sites that reveal so much about the criminal past. Sections focus on the criminal courts, trial records, the police and police reports, and on punishments transportation, execution and prison sentences. Details of the most useful and rewarding sources are provided, among them national and local newspapers, books, the Newgate Calendar, coroners records, photographs, diaries, letters, monuments and the many internet sites which can open up for researchers the criminal side of history. Tracing Villains and Their Victims is essential reading and reference for anyone who seeks to trace an ancestor who had a criminal record or was the victim of crime.