One thing was clear - Bulger left a lot of friends and associates holding the bag. Many of them have told their own stories and all "true accounts" should be taken with a mountain of salt, but they do make for interesting reading and, in their corroborations and contradictions, add dimension and color to what will eventually be the accepted definitive history.
But... I've got a special affection for the straight-up fictions inspired by the debacle... like -
The truth is ugly, and the consequences of corruption won't be played out for generations, but the story of what went down in Boston, the black mass, the deal with the devil, is the rich narrative stuff we tell ourselves again and again to explain our own complicity, worst impulses and possible fates.