Denver shooting victim identified as pro cop vet shot in front of son

“My son Lee was at the patriot rally today in Denver,” she wrote to the group. “After the rally a person on the BLM and Antifa side went up to him said a few nasty words then shot him in the head. He was murdered because he backed the police.”“His 24-year-old son was with him. I moved to Arkansas because Colorado got too expensive and liberal,” she added. “The left has gotten out of hand.”DENVER, COLORADO - OCTOBER 10: A man punches another man after a rall in Denver, Colorado, on October 10, 2020. The man on the left side of the photo was supporting the "Patriot Rally". He engaged with the man on the right, hit him in the face and sprayed him with mace. The man at right, then shot and killed the protester. (Photo by Helen H. Richardson/MediaNews Group/The Denver Post via Getty Images) (Getty)"There was a verbal altercation that transpired. A firearm was discharged," Joe Montoya, Denver Police chief of investigations, said. "An individual was shot and later pronounced deceased. There were two guns recovered at the scene."Matthew Dolloff Courtesy Denver Police/ TwitterDolloff was taken into custody by the Denver Police Department on suspicion of first-degree murder, though he has not been formally charged. Matthew Dolloff / FacebookShortly after he was identified, past posts by Dolloff surfaced, showing that he was more overtly left-leaning politically, with posts talking about how a Trump Button was a “racist button” and calling the Trump administration a "fascist dictatorship.""There was a large presence because we had two groups with opposing views, and we know that can always get very tense," Montoya said. "There’s always potential for violence, we understand that.”“We had a large contingent there to try to watch the egress of one group, so that the other group wouldn’t intermingle with them, so that’s the reason for the large presence there."Fox News' Paul Best contributed to this report.