The families of Halton McCollin, Louis Brathwaite and Giuseppe Gregory were each robbed of a much loved son by gun crime on the streets of Manchester. The killings were linked, and 14 years, two of those families - Halton's and Louis's - still haven't seen anyone brought to justice. As police make a new appeal for information,the Manchester Evening News looks at the tragic connections between three senseless deaths.In this, the third piece in a series of special features, the M.E.N's chief reporter Neal Keeling looks back at the murder of star pupil Giuseppe.