I don't think you can compare crime now to the anything previous to the 60s. The advent of ubiquitous telecommunications, security cameras, computerized record

I don't think you can compare crime now to the anything previous to the 60s. The advent of ubiquitous telecommunications, security cameras, computerized record keeping and banking, standard government-issued IDs, DNA evidence, et al have all significantly changed how we both perceive the level of crime and track the level of crime.