Dangerous to Knowdocuments murders known and not so well known, conmen and their victims, street gangs of the early twentieth century, crime lords of the 1920s, dock wars of the 1970s, bikers, sex offenders, and the drug gangs of today as well as the wrongly accused and wrongly convicted. They're all here, as well as some of the police, lawyers and judges who have tried to deal with them.
