Episode 123

Victor Oquendo has the latest on the hantavirus outbreak linked to a cruise ship as officials track 30 people who disembarked two weeks ago, including seven Americans who returned to five states; Rachel Scott reports on strikes against Iranian military facilities and command locations after Iran fired at U.S. Navy destroyers, as President Trump describes U.S. strikes as "a love tap" in an interview with ABC News; nearly 30 years after college student Kristin Smart's disappearance, Trevor Ault has details on police launching a new search for her body at the home of her convicted killer's mother;and more on tonight's broadcast of World News Tonight with David Muir.