In the first shooting, a man and a woman were killed, and two men wounded, one critically, at the Youth With a Mission centre in Arvada, on the outskirts of Denver.

• 在第一件枪击案件发生在丹佛的郊外阿瓦达地区的一青年牧师活动中心，一男一女被杀，两人受伤,其中一名伤势严重。