The elite clients of a high-end brothel network operating across Massachusetts and Washington DC could soon be unmasked. A federal task force is seeking state criminal charges against 28 people accused of paying for sex from the brothel ring. They will all be summoned to Cambridge District Court for hearings. The 28 are believed to be made up of elected officials, government contractors with security clearances, and military officers. The three leaders of the brothel were named in the criminal complaint: Han Lee, 41, from Cambridge, Massachusetts, James Lee, 68, from Torrance, California, and Junmyung Lee, 30, of Dedham, Massachusetts....