Researchers look for ways to identify young people who are on ‘the pathway to violence’

The massacre in Uvalde is again driving heated debate about the millions of guns owned by Americans, and how some clearly disturbed people can get those weapons and wreak havoc in an instant. Mark Follman, an editor at Mother Jones and author of “Trigger points,” and Marisa Randazzo, executive director of threat assessment at the security firm, Ontic, join William Brangham to discuss.

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