Gun homicides are kind of like rape where 1% of the population is causing most of the problems. If you locate them early and say not allow domestic abusers to own guns [..] then you don't have to take them anyway from everyone.
Excellent news. Now give me a complete list of all the people who are domestic abusers or mentally ill...
What works is gun control. What apparently doesn't work are most 2nd amendment hobbyists brains.