ABC World News Tonight with David Muir S2024E299 - Episode 299

Pierre Thomas has the latest on a stabbing spree in Seattle, Washington that injured nearly a dozen people over a span of 38 hours; Aaron Katersky has details on the new charges filed in an alleged Iran-linked plot to assassinate former President Trump before the election; Steve Osunsami reports on the federal investigation into the racist text messages sent to people in more than 12 states; and more on tonight's broadcast of World News Tonight with David Muir.