Police arrested 21-year-old Ahmad Al Aliwi Alissa on 10 counts of first-degree murder after the shooting. Authorities said Tuesday that Alissa was in stable condition at a local hospital after being shot in the leg before he was apprehended Monday afternoon.
Photos: Community pays tribute to victims of deadly Boulder supermarket shooting People gather for a candlelight vigil on March 23, 2021, to honor the ten victims of a mass shooting that occurred a day earlier at a King Soopers grocery store in Boulder, Colorado. (JASON CONNOLLY/AFP via Getty Images)
Photos: Community pays tribute to victims of deadly Boulder supermarket shooting Mourners cry while looking at the scene of the crime the day after a gunman opened fired at a King Sooper's grocery store on March 22, 2021, in Boulder, Colorado. (Chet Strange/Getty Images)
Photos: Community pays tribute to victims of deadly Boulder supermarket shooting Star Samkus, who works at the King Soopers grocery store and knew three of the victims of a mass shooting at the store a day earlier, cries while kneeling in front of crosses placed in honor of the victims, Tuesday, March 23, 2021, in Boulder, Colo. (AP Photo/David Zalubowski)
Photos: Community pays tribute to victims of deadly Boulder supermarket shooting Christopher and Leah Clack hug in front of dozens of flowers placed on the police vehicle belonging to fallen Boulder Police officer Eric Talley on March 23, 2021, in Boulder, Colorado. (Helen H. Richardson/MediaNews Group/The Denver Post via Getty Images)
Photos: Community pays tribute to victims of deadly Boulder supermarket shooting A patrol car outside of the Boulder Police Department is adorned with flowers in honor of Officer Eric Talley, who was killed after a gunman opened fire at a King Sooper's grocery store on March 23, 2021, in Boulder, Colorado. (Chet Strange/Getty Images)
Photos: Community pays tribute to victims of deadly Boulder supermarket shooting Louis Saxton plays his cello to honor the ten victims of a mass shooting at a King Soopers grocery store in Boulder, Colorado on March 23, 2021. (JASON CONNOLLY/AFP via Getty Images)
Photos: Community pays tribute to victims of deadly Boulder supermarket shooting People gather for a candlelight vigil on March 23, 2021, to honor the 10 victims of a mass shooting that occurred a day earlier at a King Soopers grocery store in Boulder, Colorado. (JASON CONNOLLY/AFP via Getty Images)
Photos: Community pays tribute to victims of deadly Boulder supermarket shooting A child holds a candle as people gather for a candlelight vigil on March 23, 2021, to honor the 10 victims of a mass shooting that occurred a day earlier at a King Soopers grocery store in Boulder, Colorado. (JASON CONNOLLY/AFP via Getty Images)
Photos: Community pays tribute to victims of deadly Boulder supermarket shooting A man writes a message on a cross outside of the King Soopers grocery store in Boulder, Colorado, where a mass shooting took place a day earlier, killing ten people, including a Boulder police officer. (JASON CONNOLLY/AFP via Getty Images)
Photos: Community pays tribute to victims of deadly Boulder supermarket shooting A woman who only wanted to be identified as Rowan looks at hundreds of flowers put into the fence surrounding the King Soopers on Table Mesa Drive on March 23, 2021, in Boulder, Colorado. (Helen H. Richardson/MediaNews Group/The Denver Post via Getty Images)
Photos: Community pays tribute to victims of deadly Boulder supermarket shooting CU students Allison Popp, left, and Julia Juracka, with flowers, leave a bouquet of roses in front of the police vehicle belonging to fallen Boulder Police officer Eric Talley on March 23, 2021, in Boulder, Colorado. (Helen H. Richardson/MediaNews Group/The Denver Post via Getty Images)
Photos: Community pays tribute to victims of deadly Boulder supermarket shooting An American flag is draped over a patrol car outside of the Boulder Police Department adorned with flowers in honor of Officer Eric Talley, the day after a gunman opened fired at a King Sooper's grocery store on March 22, 2021, in Boulder, Colorado. (Chet Strange/Getty Images)
Photos: Community pays tribute to victims of deadly Boulder supermarket shooting BOULDER, CO - MARCH 23: A mourner pays their respects to Officer Eric Talley, who was killed when a gunman opened fire at a King Sooper's grocery store on March 23, 2021, in Boulder, Colorado. Ten people were killed in the attack. (Chet Strange/Getty Images)
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Photos: Colorado supermarket shooting leaves 10 dead Police stand outside a King Soopers grocery store where a shooting took place, Monday, March 22, 2021, in Boulder, Colo. (AP Photo/David Zalubowski)
Photos: Colorado supermarket shooting leaves 10 dead A man holds an American flag as a procession of emergency vehicles leaves a King Soopers grocery store where a shooting took place Monday, March 22, 2021, in Boulder, Colo. (AP Photo/David Zalubowski)
Photos: Colorado supermarket shooting leaves 10 dead Police stand outside a King Soopers grocery store where a shooting took place Monday, March 22, 2021, in Boulder, Colo. (AP Photo/David Zalubowski)
Photos: Colorado supermarket shooting leaves 10 dead Police work on the scene outside of a King Soopers grocery store where a shooting took place Monday, March 22, 2021, in Boulder, Colo. (AP Photo/Joe Mahoney)
Photos: Colorado supermarket shooting leaves 10 dead Women hug on the corner of Broadway and Table Mesa Drive near a King Soopers grocery store where a shooting took place, Monday, March 22, 2021, in Boulder, Colo. (AP Photo/Joe Mahoney)
Photos: Colorado supermarket shooting leaves 10 dead Police continue their investigation at a King Soopers grocery store where authorities say multiple people were killed in a shooting, Monday, March 22, 2021, in Boulder, Colo. (AP Photo/David Zalubowski)
Photos: Colorado supermarket shooting leaves 10 dead Jefferson County, Colo., Sheriff Department officers head to a King Soopers grocery store where a shooting took place Monday, March 22, 2021, in Boulder, Colo. (AP Photo/Joe Mahoney)
Photos: Colorado supermarket shooting leaves 10 dead Police work on the scene outside of a King Soopers grocery store where a shooting took place Monday, March 22, 2021, in Boulder, Colo. (AP Photo/Joe Mahoney)
Photos: Colorado supermarket shooting leaves 10 dead Police work on the scene outside of a King Soopers grocery store where authorities say multiple people were killed in a shooting, Monday, March 22, 2021, in Boulder, Colo. (AP Photo/Joe Mahoney)
Photos: Colorado supermarket shooting leaves 10 dead Firefighters salute an ambulance as it leaves a King Soopers grocery store where authorities say multiple people have been killed in a shooting, Monday, March 22, 2021, in Boulder, Colo. (AP Photo/David Zalubowski)
