A Muncie man told authorities he drove his pregnant girlfriend to locations where she engaged in prostitution to help raise money to buy heroin. Trevor L. Quinn, 21, and his 19-year-old girlfriend, Megan Nicole Brown, were two of five local residents arrested Friday night when the Delaware County Sheriff’s Department and Muncie Police Department conducted a prostitution sting at a northwestside hotel. Brown was preliminarily charged with prostitution. Quinn and Swan, meanwhile, face preliminary charges of promoting prostitution.