A Baltimore judge deemed the city liable Wednesday to the family of a teenager who was forced into a police van near his West Baltimore home in 2009, interrogated about illegal drug activity and dropped off in the rain later that day near Patapsco Valley State Park in Howard County without his shoes, socks and cellphone. The three officers were acting within the scope of their police employment in their mistreatment of 15-year-old Michael B. Johnson Jr. on May 4, 2009, Baltim