 We're getting new details about what police are calling a murder-suicide at an Alexandria gym. Officers say a D.C. man shot and killed a Maryland man at One Life Fitness on Hoofs Run Drive Saturday before shooting himself. Alexandria police have identified the suspected shooter as 30-year-old Charles Hewitt and the other man as 29-year-old Joshua Wilcox. There were about 60 people inside the gym at the time of the shooting. It's 547.