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For the fourth time in two weeks, demonstrators gathered in Salt Lake City on Monday to protest officer-involved shootings in Utah and nationwide.

"Somewhere it's got to stop," said protester Oscar Ross as he stood across the street from the Salt Lake City police station. "There's going to be backlash. I'm not anti-police ... but it's in the mind-set of these officers now: Shoot first and ask questions later."

About 40 protesters marched around Library Square and into downtown Salt Lake City after hearing from the family of Dillon Taylor, 20, who was shot to death Aug. 11 by Salt Lake City police officers outside a South Salt Lake convenience store.

"We have to have justice because no matter what, we're missing somebody at our dinner tables at night," said Taylor's aunt, Gina Thayne. She was speaking for Taylor and other shooting subjects whose families have joined in a series of rallies in Salt Lake City since the shootings of Taylor and Michael Brown in Missouri, which have raised scrutiny of police use of force nationwide. "We have to fix this, and the only way we're going to be able to fix it is if everybody continues staying together."

As protesters marched, they chanted, "From Ferguson to SLC, end police brutality." Another rally is scheduled Saturday in Ogden. A Facebook group called "Justice for Dillon Taylor" has more than 2,200 members.