PBS NewsHour full episode Oct. 3, 2017

Aired: 10/3/2017 | 0:55:02 | Expires: 11/2/2017 | Episode
Tuesday on the NewsHour, Las Vegas mourns while authorities struggle to learn a motive for the deadly mass shooting. Also: The guns used in Sunday's attack, President Trump's trip to Puerto Rico, a Supreme Court case that could change the makeup of Congress, a school for students recovering from opioid addiction and remembering rocker Tom Petty.

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