[https://edition.cnn.com/2021/03/23/us/boulder-colorado-shooting-tuesday/index.html](https://edition.cnn.com/2021/03/23/us/boulder-colorado-shooting-tuesday/index.html) >"Ten people, including a police officer, were killed Monday after a gunman opened fire in a grocery store in Boulder, Colorado, shattering the calm for another US community."