Study: Repealing Missouri’s background check law associated with a murder spike

The 2007 repeal of a Missouri law that required background checks and licenses for all handgun owners  appears to be associated with a significant increase in murders there, a new study finds.

What the study found

The law’s repeal was correlated with a 23 percent spike in firearm homicide rates, or an additional 55 to 63 murders annually from 2008 to 2012, according to the study conducted by researchers with the Johns Hopkins Center for Gun Policy and Research and to be published in the Journal of Urban Health.

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