This third edition, arriving nearly 12 years after the previous one, is not only timely but overdue. This text offers a welcome and appropriate mixture of knowledge or information about specific types of technology along with empirical studies of certain technology used in various subcomponents of the criminal justice system. This text consists of 12 chapters, with eight completely new and four substantially revised and updated. The text is arranged into two parts: law enforcement technology and public safety technology. Major topics include: technology infrastructure: what it is and how it’s changing; current overview of law enforcement technology; body-worn cameras: the new normal; avoiding the technological panacea of the body-worn camera; examining perceptions of technology-enabled crimes; digital forensics; technological advancements in keeping victims safe; the evolution of offender electronic monitoring: from radio signals to satellite technology; technoprisons: technology and prisons; inside the Darknet: techno-crime and criminal opportunity; securing cyberspace in the 21st century; and assessing the deployment of automated license place recognition technology and strategies to improve public safety. Numerous illustrations and tables highlight the chapter contents. Students, educators, and practitioners will find this new edition most useful as it provides practical knowledge about different technology advances and projections on many levels. This third edition has developed into an excellent resource that allows both neophyte and expert to learn state-of-the-art information.