Last Sunday, a gunman walked into a church in Sutherland Springs, Texas and opened fire on the congregation -- killing more than two dozen people. The next day, President Donald Trump told reporters the mass shooting wasn't a "guns situation," and instead blamed it on "mental health." Politicians have linked mental illness and mass shootings after virtually every mass shooting. In this week's episode, Jimmy talks to The Atlantic's Olga Khazan, who looked into that link... and found that it doesn't exist.

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