(Manchester, N.H. ) - According to court records, a Manchester couple was strangled five days before firefighters found their bodies in their burning home. Authorities say 71 year old Robert Dion and 67 year old Constance Dion were strangled with a wire on March 19th. Police are still looking for the couple's son, 38 year old Matthew Dion, to question him in connection with his parents' deaths.