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PBS NewsHour

Trying to Prevent Violence Via Mental Health Screening

4:40

Revelations about the mental health of Navy Yard gunman Aaron Alexis raises questions about whether better screening processes could have prevented the shooting. Gwen Ifill talks to Barry Rosenfeld of Fordham University about the challenges of identifying on an individual level when someone with mental illness may pose a threat.

Episodes of PBS NewsHour43

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Previews of PBS NewsHour3

PBS NewsHour

State of the Union 2016

PBS NEWSHOUR offers live coverage of President Obama's speech and the Republican response.

0:20

PBS NewsHour

PBS NewsHour Weekend

Premieres Saturday, September 7, 2013 at 6 p.m. ET.

0:30

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