Schizophrenic Philip Theophilou, who stabbed his neighbour to death in 2004, is being desperately hunted by police after he absconded from a mental health facility in east London .
A killer knifeman who is being urgently sought by police had been granted permission to leave a mental health facility unescorted on the day he fled, LBC can reveal.
A man who stabbed his neighbour has absconded from a mental health facility in East London, and the Metropolitan Police has now issued a 'do not approach' plea as well as a latest CCTV image