The Department of Homeland Security along with the Federal Law Enforcement Training Centers provide regular advanced trainings called Active Shooter Threat Instructor Training Program.
One of such has been conducted in Charleston exactly the day infamous mass shooting took place at Emanuel African Methodist Episcopal Church on June, 17.
The tragedy took lives of 9 people, including the senior pastor and state senator. The Federal Bureau of Investigation considers it as a hate crime.
Below is a screen shot from the fletc.gov's website, depicting FLETC's 'Advanced Training Schedule By Site. Federal Law Enforcement Training Centers -- FY 2015 (Jan 1st - Sept 30th 2015) Advanced Training Schedule By Site Updated 02-26-2015. This calendar is intended for federal law enforcement.' Charleston ASTITP - Active Shooter Threat Instructor Training Program C_ASTITP-501 Class Start: 06/15/2015 - Class End: 06/19/2015.
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"The tests of the missile with characteristics prohibited under the Treaty took place only 16 days after Washington completed the denunciation of the said Treaty. It is obvious that it was not improvisation," Putin said