BUFFALO, N.Y. — The S.O.S. from Oybek Jamoldinivich Jabbarov came to Julia Hall in 2007 via his attorney, Michael Mone. The plea for help, originating behind the concrete walls of Guantánamo Bay, carried the message of a man locked in a nightmare. Misfortune stalked Jabbarov, a long-time detainee at the U.S. prison camp in Cuba. [...]