...is probably hanging in a 25 yard lane which wouldn't really require much in way of aiming. I was never an expert shot but I could place a shot within a 2 cm circle using iron sights on an M-1 Garand at 100 ft. AR-15s have an accurate range over 10 times that distance. Hitting a silhouette where the 2 visible shots in the third picture appear wouldn't require any sights. The target looks to be hanging at 7 yards in the first picture. At that range I would think a first time shooter could hit the black (or pink as the case may be) with no sights wearing mittens.
I suspect this photo session was planned for indoors because it sometimes snows in SLC in November. I infer that since the article was published on the 27th, the interview was a week or 2 ahead. The range may have been closed by arrangement for this interview.
TNT is next to the Utah Highway Patrol and has a few options for lanes including 100 yard lanes. These pictures were taken in a 25 yard booth. Looks like a really nice range.
Smell test: maybe staged 
YMMV
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