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摘要

It seems that only a few days pass before news comes of another attack perpetrated by madmen or terrorists, so the recent articles on active shooter response (PUSH, HOLD, ACT: Gunsite Active Shooter/Terrorist Response Course, November 2017 S.W.A.T. and ACTIVE SHOOTER: First Responder or Unwilling Participant? December 2017 S.W.A.T.) have been very timely.