Why is it assumed that it is “military training”.
It isnt hard to learn this type of stuff just playing your average FPS game and reading some manuals.
I’m an amateur but hearing the descriptions of he operation it seemed “professional.” Amateurs don’t pick out just cops in a crowd from distance.
Now there are several military pros opening that they had military training given their tactics. http://www.businessinsider.com/military-experts-on-dallas-police-shootings-2016-7