Modern perspectives of law enforcement are both complex and diverse. They integrate management and statistical analysis functions, public and business administr

Designed to serve as a comprehensive guide, Introduction to Traffic Law, Investigation, and Enforcement equips law enforcement officials with the vital knowledg

This expanded and updated third edition continues to be an essential reference volume in regards to the principles and techniques of traffic crash investigation

Social media is becoming an increasingly important—and controversial—investigative source for law enforcement. Social Media Investigation for Law Enforcemen