Det. Will Hallifax has been with the Bellevue Police Department for 20 years and is currently assigned to the City of Bellevue’s multidisciplinary Threat Management Team and FBI’s Joint Terrorism Task Force. He teaches the city Workplace Violence prevention training including the topics of threat prevention models, de-escalation, and emergency response. He is a Certified Threat Manager (CTM) through the Association of Threat Assessment Professionals.