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A Project of The Annenberg Public Policy Center

Unfounded Claims About Colorado Gunman

Unfounded Claims About Colorado Gunman

A social media post is spreading baseless claims that the shooter accused of killing 10 people in Boulder, Colorado, came to the U.S. “Illegally from [M]exico and purchased the firearm from a guy that sells stolen guns.” Law enforcement officials say the suspect came to the U.S. from Syria as a child, and the gun used was legally purchased.

FactChecking Biden’s Claim that Assault Weapons Ban Worked

FactChecking Biden’s Claim that Assault Weapons Ban Worked

President Joe Biden claims the 10-year assault weapons ban that he helped shepherd through the Senate as part of the 1994 crime bill “brought down these mass killings.” But the raw numbers, when adjusted for population and other factors, aren’t so clear on that.

The Facts on Mental Illness and Mass Shootings

The Facts on Mental Illness and Mass Shootings

Q: Do people with serious mental health disorders pose a greater risk of becoming mass shooters?
A: People with mental illnesses are somewhat more likely to be violent than those without a diagnosis. But a majority are never violent, and very little is known specifically about mass murder.