Acknowledgements -- Foreword / by John Callow -- Introductory comment / by John Marriott -- Author's preface -- Prologue: Wednesday 11 September 1889 -- Introduction to a forgotten struggle -- Samuel Silver's palace of industry -- Great sacrifice, great barbarism -- A time of hope -- "They want...

In this paper we study the causal impact of police on crime by looking at what happened to crime before and after the terror attacks that hit central London in July 2005. The attacks resulted in a large redeployment of police officers to central London boroughs as compared to outer London - in...