Payton Gendron, who killed 10 Black people in a May 2022 mass shooting at a Buffalo supermarket, expressed regret during his Feb. 15 sentencing. He was sentenced to life without the possibility of parole. Read more: https://wapo.st/3xvbWjj. Subscribe to The Washington Post on YouTube: https://wapo.st/2QOdcqK Follow us: Twitter: / washingtonpost Instagram: / washingtonpost Facebook: / washingtonpost