UCR, NIBRS, and NCVS.

Uniform Crime Reports (UCR), National Incident-Based Reporting System (NIBRS), and Crime Data from Victims of Crime: The National Crime Victimization Survey (NCVS). Please answer the questions below: Define the terms UCR, NIBRS, and NCVS. What is the purpose of each? If you could pick only one measure of crime, which one would you choose? Defend your answer? Use concrete examples/details and avoid generalities.