Patient treated by doctor who went on to kill mum complained to hospital bosses after same procedure left him 'covered in blood'
A patient treated by a doctor who went on to kill a patient months later said he complained to hospital bosses after ending up 'covered in blood' while undergoing the same procedure. Anthony Johnson, 54, was attended to by Dr Isyaka Mamman at the Royal Oldham hospital, after being told he needed a bone marrow biopsy.