Murder victim Filipe Oliveira had no idea why he was stabbed

A masked killer knifed a stranger to death in a random attack while his victim asked ‘why are you stabbing me?’, a court heard. Filipe Oliveira, 20, was stabbed in the chest as he stood in his doorway on Norwood Road, West Norwood, on 16 April last year. Convicted stalker Caudel Haughton, 21, carried out the ‘random and unprovoked attack’ and left the area on a train, returned to a residential support unit in southeast London. He denied murder but…