In any large city like Bristol there have always been those who are intemperate, resentful, envious, greedy, angry, lovelorn, depressed or sadistic. Given certain circumstances these traits and emotions can drive even the least-expected person to carry out criminal acts, which may be calculated, long planned, spur of the moment and, in some cases, seemingly inexplicable. They are all part of the dark history of Bristol. Examining that history shows...