Gov. Cuomo signs the SAFE Act, Jan. 2013 (photo: Governor's Office via flickr)

Riders on a Brooklyn-bound 4 train fled in terror when a man responded to taunts from two younger men by pulling a gun and loading a clip. As the confrontation escalated and the train stopped, the melee spilled into the Borough Hall station, with threats and shoving until Gilbert Drogheo, one of the younger men, was lying dead of a