They appear to be Spec Ops.
Texas supplied a fair share of the military hard core. In small Texas towns you will frequently find SEALs and the marine version of SEALs working SWAT. What do you expect for a Lone Star Nation ? Besides, its not like they are gonna find appropriate work under Obama.
Garland cops were working alongside special private security hired by the event coordinators. There is no “militarization “ of the cops in Garland. Don’t know who started that goofy complaint on FR.
FWIW, Garland is a city of over 200,000 residents. DFW has a dozen cities exceeding 100,000, in addition to Dallas and Fort Worth.
And DFW continues to grow at a clip exceeding 150,000 every year.