By Brendan O’Brien (Reuters) -Three Florida correctional officers were ordered to be held without bond on Friday after they were charged with murder in the beating death of a inmate housed in a mental health unit two months ago while he was being taken to another prison. Miami-Dade Circuit Judge Mindy Glazer found probable cause to hold Christopher Rolon, 29, Kirk Walton, 34, and Ronald Connor, 24, in jail on charges of second-degree murder, conspiracy, aggravated battery of a disabled adult and cruel treatment of a detainee. “We’re looking forward to establishing his innocence when we go to c…