In the early morning hours of Saturday, June 13, 2015, a domestic dispute in O'Fallon, Missouri, ended in the shooting death of 26-year-old William R. McMahan of Foley. The incident unfolded around 1 a.m. when McMahan was shot several times in the chest. He was transported to a local hospital where he was pronounced dead.
The chain of events leading to the fatal confrontation began when McMahan's girlfriend went to her ex-boyfriend's residence to discuss matters concerning their two-year-old child. When McMahan was unable to get in touch with his girlfriend, he went to the ex-boyfriend's home. A fight subsequently broke out between the two men, which ultimately led to the shooting.
Following the incident, the ex-boyfriend was taken into custody. He asserted that he had acted in self-defense during the altercation. The investigation into McMahan's death was ongoing at the time of the initial reports. Further details regarding the identity of the ex-boyfriend, whether formal charges were filed, or the final outcome of the investigation have not been made publicly available in the news reports.
