RT Article T1 Considering violence against police by citizen race/ethnicity to contextualize representation in officer-involved shootings JF Journal of criminal justice A1 Shjarback, John A. A2 Nix, Justin LA English YR 2020 UL https://krimdok.uni-tuebingen.de/Record/1912490420 DO 10.1016/j.jcrimjus.2019.101653