in the treatment of her family by the criminaljustice system . our correspondent daniel de simone broke this story here s his report. the racist murder of teenager stephen lawrence took place 31 years ago at a south london bus stop. the failed first investigation is widely seen as one of the biggest disasters in the history of the metropolitan police. today an official review has concluded that four senior retired officers who ran the first inquiry should not be charged with a criminal offence. this is a dreadful crime, a completely unprovoked attack on a young 18 year old black youth. their investigation failed to bring anyone to justice. two of those officers were bill ilsley and ian crampton, pictured here after being criticised by a landmark public inquiry 25 years ago. the others were brian weeden and his deputy ben bullock. prosecutors have been considering whether to charge the four with misconduct in a public office for investigative failures. the conclusion by pros