The Uniform Crime Reporting (UCR) Program collects statistics on the number of offenses known to City of Mesa Police Department. Part I offenses are reported monthly and are chosen by the Federal Bureau of Investigation (FBI) because they are serious crimes, occur with regularity in all areas of the country, and are likely to be reported to police. Part I violent offenses are defined as: Criminal homicide, Forcible Rape, Robbery, Aggravated Assault,