title: Tragedy's legacy.
authors: Joe
authors: J
authors: Brierley
authors: Phil
authors: P
authors: McShane
authors: P David
authors: PD
authors: Adelson
mesh_terms: D005389:Firearms / Q000331:legislation & jurisprudence*; D033161:Government Regulation; D006801:Humans; D014754:Violence / Q000517:prevention & control*