Spectre of the Rose Street Gang - S4.E14

Construction workers unearth the skeleton of a 14-year old boy, dead and buried for about 25 years. The only clue to his identity -- and fate -- is a cigarette lighter with the monogram JLY. Learning of this from the morning paper, perpetual ne'er-do-well Sam Langan recognizes both the dead boy and a chance to advance himself.