PBS News Hour

Season 42, Episode 197

Episode Title: October 3, 2017

Air Date: 2017-10-03

Overview:

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.