Does a change in state gun laws track with a change in homicide and suicide by gun? It does, shows an analysis of gun laws and gun data for all 50 states, from 1991 to 2016.
It's a huge volume of data to process, but a team affiliated with the National Institute of Health put it all together in research recently published. The team can't say for sure that the relationship is causal, but there is a relationship.
Study lead author Michael Siegel joins us with details.