The Va Dinci Cod By A.r.r. Roberts

In his own blood, the dying man had written a single sentence in splashy, red letters, It was very much a red letter statement:
THE CHATHOLIC CHURCH HAD ME MURDERED!
For long seconds Donglan stared at the mysterious message. 'That Doctor Donglan,' said Tash, 'is why we have called you the at this time. That mysterious message.'
'It may,' said Robert, 'be an anagram.'