RT Book T1 Protective intelligence and threat assessment investigations: a guide for state and local law enforcement officials T2 Research report / National Institute of Justice A1 Fein, Robert A. A1 Vossekuil, Bryan A2 Vossekuil, Bryan LA English PP Washington, DC PB US Dep. of Justice, Office of Justice Programs YR 1998 UL https://krimdok.uni-tuebingen.de/Record/1140339486 CN 364.4 K1 Forschungsbericht