Expertise.com, a top resource that evaluates and publishes the best local experts, has published a comprehensive report on the safest states, cities and towns in the U.S. The study ranks the safest to most dangerous cities and towns with a population of 10,000 or more. Research experts collected data from the FBI Crime Database and used a detailed methodology to assess each municipality. Arizona ranks No. 4 among safest states. The safest cities and towns!