Two men are in police custody following a string of armed robberies in Baltimore County in June, authorities said.Timothy Evans Jr., 28, and Diamante Gilliam, 29, allegedly targeted business owners and employees.The investigation began on June 14. Charging documents state that officers responded to a Hip Hop Fish & Chicken on Baltimore National Pike and spoke with the victim, who said that after getting into his car, he was approached by two Bla…