All the talk about universal background checks is a diversion from taking effective action to reduce gun violence. The fact remains that most gun violence is happening between people who know each other, not by criminals who buy guns to do crimes. Rigorous background checks don’t prevent suicides, domestic violence, and the other assorted motivations for one person shooting another.
Vox explains why licensing owners would help and presents statistics that support the assertion. Here is the video:
Search “guns” on this site for more on this topic. The stats are old, but not much has changed for the better.