Pernell MaddoxLEXINGTON PARK, Md. — A 20-year-old man is facing multiple firearm-related charges in St. Mary’s County after deputies discovered a loaded handgun in his waistband during a traffic stop on March 10, 2025.Pernell Maddox, of Charlotte Hall, was taken into custody by the St. Mary’s County Sheriff’s Office and is being held without bond…