RT Article T1 Powers and accountability of private police JF European journal on criminal policy and research VO 8 IS 3 SP 325 OP 352 A1 Stenning, Philip C. LA English YR 2000 UL https://krimdok.uni-tuebingen.de/Record/1640102396 K1 Polizei K1 Privatisierung K1 Kontrolle