What we know about the Minneapolis shooter; Confrontation at the U.S. Open

As the community in Minneapolis mourns the loss of two children in the Annunciation Catholic School shooting, authorities are still searching for the shooter’s motive. NBC News National Law Enforcement and Intelligence Correspondent Tom Winter joins guest host Laura Jarrett to share what we’re learning. And a tense altercation between Taylor Townsend and Jelena Ostapenko at the U.S. Open has reignited conversations about racism in tennis. NBC Sports Tennis Analyst Mary Carillo joins us and breaks it down. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.