This is the report for homicides (a different table from the one in the root comment that tracks arrests): https://ucr.fbi.gov/crime-in-the-u.s/2017/crime-in-t

This is the report for homicides (a different table from the one in the root comment that tracks arrests): https://ucr.fbi.gov/crime-in-the-u.s/2017/crime-in-the-u.s.-2017/tables/expanded-homicide-data-table-6.xls https://ucr.fbi.gov/crime-in-the-u.s/2017/crime-in-the-u.s.-... Furthermore, this data is from reports not arrests. So selective enforcement is not a factor.