TY - BOOK ID - 137023089 TI - Protecting America's schools : a U.S. Secret Service analysis of targeted school violence. PY - 2019 PB - [Washington, D.C.] : U.S. Department of Homeland Security, United States Secret Service, National Threat Assessment Center, DB - UniCat KW - School violence KW - School shootings KW - Criminal behavior, Prediction of KW - Violence dans les écoles KW - Meurtre multiple dans les écoles KW - United States. UR - https://www.unicat.be/uniCat?func=search&query=sysid:137023089 AB - ER -