From the crucible. The metropolitan police has apologised to the mother of the murdered Teenager Stephen Lawrence for breaking its promise to answer questions raised by a Bbc Investigation into his killing. Stephen was 18 when he was stabbed to death in a racist attack in South London 31 years ago today. Last year the bbc� s Daniel De Simone named Matthew White as the sixth suspect in the case. Heres daniels latest report. The racist murder of Stephen Lawrence took place 31 years ago today at a south London Bus stop. Two of the original five prime suspects were convicted almost 20 years after the murder. But the met� s disastrous handling of the case means no one else has been brought to justice. Last year, the bbc publicly