Commentary: Enforcing existing laws can help prevent gun violence

I read with interest the story published by The Salt Lake Tribune entitled, “Salt Lake City mayoral candidates say young people must push City Hall to take ‘courageous steps’ in gun violence prevention.”In 2016, I was at home getting ready for work when my 7th-grade son texted that there was an active shooter at his school. I sat with my wife feeling helpless and terrorized as we waited for more information. Two of my children were attending Mueller Junior High school in