by David Crane defrev at gmail.com Ever since the recent active-shooter incident at Virginia Tech (Blacksburg, VA), DefenseReview has been thinking about any/all technologies that could help law enforcement personnel–both SWAT and 1st Responders– deal with this type of threat. You may remember video footage of law enforcent 1st Responders (patrol officers, as usual) positioned outside the building–hiding behind trees …
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