According to your own link gang violence accounts for 80-90% of all gun related homicides.
Also, it's clear we don't have a gun problem...
https://www.reference.com/world-view/many-gang-related-deaths-occur-year-81d438d69ed97cc6
Statistics show that about 67 percent of the 2,000 gang-related murders
occur in large cities that have populations over 100,000. Only 17
percent of these homicides occurred in suburban areas.
But keep burying your head in the sand.
I made an account on this god-forsaken libshit website just to debunk your misinformation. Do better.