(Video) Police Trainer Don Alwes on Active Shooter Response

Don Alwes—an adjunct instructor for Kentucky's Department of Criminal Justice Training and lead instructor for NTOA's Police Response to Active Shooter and School and Workplace Violence courses—discusses with POLICE Contributing Web Editor Doug Wyllie some of the pre-attack behaviors that might indicate an imminent attack, as well as ways in which law enforcement can improve its response when an active shooter event does occur.