Barry White, the pastor of Park Valley Church, said the 10 a.m. service had just begun with some music when the man, dressed in all black, entered the building.
Rui Jiang, 35, of Falls Church, has been charged with threats of bodily harm and carrying a dangerous weapon to a place of religious worship, police said.
The man is expected to survive the shoulder wound, inflicted by a highway patrol officer in the early morning near Minute Maid Park, home of the Houston Astros.
Jose Romero, Nathen Garley, and Daniel Gomez were held in the Sept. 6 shooting after an Albuquerque Isotopes game in what appeared to be a case of mistaken identity, police said.
Alberto Rolon, 38, Zoraida Bartolomei, 32, and their two boys, 7 and 9, were killed at some point between Saturday evening and Sunday morning in Romeoville, Illinois, police said.