RT Article T1 Explaining variation in state-level homicide rates: Does crime policy pay? A1 Smith, K. B. LA English YR 1997 UL https://krimdok.uni-tuebingen.de/Record/1639921907 K1 Tötungsdelikte K1 Kriminalpolitik K1 Kriminalprävention K1 Opferraten K1 USA