Eight people were shot across the city of Chester on Monday — a violent day recorded in a city that needs help. That troubling statistic was met with a major development in a tragic homicide. A month after they buried their 13-year-old son, the Davis family got news Tuesday from U.S. Marshals and police that four people are now held on first-degree murder in their son’s killing. Police have charged 23-year-old Tavon Starkey, 23-year-old Keyonte Watkins, 30-year-old Danielle Showell and 22-year-old Sulayman Womack with first-degree murder and related offenses. “It’s so bitter for me, man, not just because he’s my...