Transcript for Police probing whether reputed mob boss' killing was sanctioned hit: Sources
Next, the story making news in New York City, the reputed mob boss, shot right in front of his home on Stanton island. How police say he might have been lured outside. Whit Johnson on the scene tonight. Reporter: Following the brazen murder of a reputed mob boss, tonight sources tell ABC news, police in New York are investigating whether it was a sanctioned hit or the opening salvo in a new mafia war. Units responding to shots fired. Approach tactically, utilize cover and maintain firearm control. Reporter: Emergency crews rushing to this Staten Island home after 9:00 last night. Police say 53-year-old francco "Frankie boy" cali of the infamous Gambino crime family went outside after someone hit his car. After a brief conversation, that person then shooting him at least six times in the torso steps from his front door. Confirmed, male shot. Get a rush on a bus. Reporter: His wife and children inside. One witness telling authorities that he saw an individual run toward the driver's side of a blue pickup truck while keeping one hand near his waistband. Investigators working to determine if that accident outside cali's home was staged. It appears that that was part of -- quite possible, that was part of a plan. Reporter: It's been more than three decades since the last killing of a mafia kingpin in New York. Police in New York are looking for the man who gunned down Paul Castellano. Reporter: 1985, Paul Castellano, murdered in spectacular fashion, outside a Manhattan steak house, paving the way for John gotti to take over the Gambino dynasty. How confident are you that this was a targeted assassination or execution of some kind? Thus far, everything police has says it's clearly a hit. And old-school. Except for the fact they did it in front of his house, which is unusual. Reporter: Police are poring over surveillance video from the neighborhood. Sources telling ABC news, they're worried about a fresh feud in the Gambino crime family and retribution that could follow. Tonight, no suspects and no clear motive. Whit Johnson on the scene all day for us. We're going to turn to new
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