FBI PUBLIC AFFAIRS - DIRECTOR'S AM NEWS BRIEFING TUESDAY, MARCH 23, 2021 5:00 AM EDT Ten Including Police Officer Killed In Colorado Supermarket Shooting. The AP (3/22, Nieberg, Slevin) reports a shooting at a Boulder, Colorado, supermarket 'killed multiple people Monday, including a police officer, and a suspect was in custody, authorities said." Boulder Police Kerry Commander Kerry Yamaguchi "said at a news conference that the suspect was being treated but didn't give more details on the shooting or how many people were killed: Boulder County District Attorney Michael Dougherty "said authorities know how many people were killed and suggested they are not releasing the number because they need to notify families of the victims." The Denver Post (3/22, 660K) reports, "A source with knowledge of the investigation told the Daily Camera newspaper that there are at least six people killed." CNN (3/22, 89.21M) later reported on its website that 10 people were killed. HuffPost (3/22, Karanth, Visser, Russo, Ruiz-Grossman, 363K) reports, "Multiple federal agencies, including the FBI and the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) were assisting the state in its investigations." All three broadcast networks opened their Monday evening newscasts with the story, which was in progress as they aired. David Muir said on ABC World News Tonight (3/22, lead story, 2:40, 7.52M) that there were "reports...of multiple victims," and "police could be seen walking a man away in handcuffs: On the CBS Evening News (3/22, lead story, 1:55, Garrett, 4.38M), Mola Lenghi said, "There were reports of police on megaphones demanding people evacuate the store, and SWAT teams were seen storming the building, including from the roof." Lester Holt said on NBC Nightly News (3/22, lead story, 1:30, 5.95M), "Witnesses described hearing a volley of shots, a man opening fire with what may have been a military-style long gun, sending shoppers and workers scrambling for