RT Article T1 Examining the conditional nature of the illicit drug market-homicide relationship: a partial test of the theory of contingent causation JF Criminology VO 40 IS 1 SP 73 OP 102 A1 Ousey, Graham C. A2 Lee, Matthew R. LA English YR 2002 UL https://krimdok.uni-tuebingen.de/Record/1639290486 K1 Drogenmarkt K1 Gewalt K1 Tötungsdelikte