latest data tell us? >> reporter: a jarring conclusion, depending on the state you live in, it says, the stronger your gun control laws the fewer gun deaths your state will have. tonight, new information on the rising tide of gun violence in america, the group every town for gun safety, a gun control advocacy organization is out with a new study showing what it says a direct correlation in states with weaker gun laws to higher rates of gun deaths. >> gun violence is preventable. common sense gun laws can make common sense laws make a difference in saving lives. >> reporter: dark blue is strict and white being lax. california had the most strict laws. mississippi the least strict. then they mapped how many people were killed by guns in 2020 per 100,000 people. mississippi was worst with 28.6 per 100,000. california was among the best