Washington (AFP) – The execution Tuesday of a former US police officer, convicted of hiring a hitman to kill his wife almost 30 years ago, was held in suspense as a last minute legal battle played out in Texas. Robert Fratta, 65, had been scheduled to be put to death Tuesday evening, but a Texas judge’s ruling threw the planned lethal injection into doubt. After an emergency hearing Tuesday morning, District Judge Catherine Mauzy ruled that officials could not use the intended drug because it was “probably illegal to possess or administer because it is more likely than not expired.” Fratta had…