LUSBY, Md. — A months-long Calvert County drug investigation involving alleged controlled purchases, surveillance and search warrants culminated in the arrest of a 37-year-old Lusby man after investigators said they recovered approximately 41.6 grams of suspected cocaine, three firearms, ammunition, drug paraphernalia and nearly $11,000 in cash, according to charging documents. Leonard Darnell Mackall, 37, […]