RT Article T1 Gang databases: context and questions JF Criminology & public policy VO 8 IS 4 SP 705 OP 709 A1 Jacobs, James B. 1947- LA English YR 2009 UL https://krimdok.uni-tuebingen.de/Record/1626311021 K1 Gangs K1 Datenbanken K1 Datenschutz K1 USA