THROGS NECK, the Bronx — A man was critically injured outside his Bronx home in what police sources said on Friday is an attempted mob attack. It happened at about 6:30 a.m. Wednesday in the vicinity of Tierney Place and Locus Point Drive in Throgs Neck. Video surveillance shows a man firing several shots at a 41-year-old man before fleeing the scene inside a red four-door sedan. The victim, who police sources identified as Bonnano Associate Salvatore Zottola, suffered several gunshot wounds to his torso, his left hand and graze wounds to his head.