More guns means more murders … Murders carry some of the stiffest criminal penalties and are more likely to result in an arrest and imprisonment than other crimes. As a result, some experts draw a line between America’s large number of guns and its incarceration rate, which is among the highest in the world.
… [There’s a] hiring crisis for police officers. People don’t want to start a career in a field that seems so dangerous. “This proliferation of civilian weapons makes policing much less attractive,” John Roman, a criminal justice policy expert at the University of Chicago, said. (A similar argument, he added, applies to teachers, given the proliferation of school shootings, although the on-the-job death rate for teachers is, of course, much lower than it is for police officers.)