Operationalization of Age in Data on Elder Offenders Varies Across

Operationalization of age in data on elder offenders varies across crime data sources. This means

A) the definition of "elderly" is fixed but some agencies refuse to collect this information.
B) the starting age of "elderly" may differ such that reports do not match up to give a full picture.
C) the public may not have access to demographic information about offenders such as age.
D) some databases focus solely on adults ages 18-64, so any summary of crime among elderly offenders would be missing.