It is not news that “illegal guns” are the bulk of crime guns and that they are endemic in poor, inner-city neighborhoods. But it is good to have another datapoint. Take-Aways Legal availability of firearms is not correlated with firearm homicides. However, illegal firearm availability is. The number of firearm laws is not associated with firearm homicides either. Firearm homicide rates are amplified by economic and social disadvantages and family disruption. The Study and Proxy Paranoia A 2021 study, attempted to gauge legal and illegal firearm availability and measure those against firearm homicides. The authors also examined social factors including family disruption, economic disadvantage, youth disengagement, and more. The study represents an innovative approach to segregating misuse of legally obtained guns and illegally obtained guns.