This news comes June 1, or 6/1, like 61. We know how they love to encode 61 in active shooter situations.
Notice the part about it being the home of the 319th Reconnaissance Wing. Masonic = 319
The gematria of Grand Forks, North Dakota is as follows.
Freemason = 96
Freemasonry = 58 / 59
Scottish Rite of Freemasonry = 127
Scottish = 113
193, 44th prime; Shooting = 44; Military = 44