Colorado man sentenced to life for murdering 10 people at King Soopers supermarket in Boulder in 2021 NBC NewsBoulder King Soopers shooter receives 10 life sentences KKTVGunman who killed 10 at a Colorado grocery store sentenced to life without parole CNNGunman who killed 10 at a Colorado supermarket found guilty of murder The Associated PressGunman in Colorado grocery store shooting found guilty of 10 murder counts The Washington Post