Most likely, he was already dead by the time the pickup sped away into the night.
Paramedics transported Cali to Staten Island University North hospital after responding to the home at 9:17 p.m.
At the time, it was said that Cali and others allegedly arranged, through force and threat of force, to receive cash payments from someone who had worked on the project.
It's more than three decades since the last hit on a boss of one of the five families, but Cali's murder is a reminder that - at least as far as the rest of us know - the Mafia really did split up NY into five territories, and continues to operate that way despite huge numbers of arrests over the years.
The shooting wasn't the only recent mob assassination in NY.
On Wednesday, hours before Cali was killed, the reputed boss and consigliere of the Bonanno crime family were acquitted in a Brooklyn racketeering and extortion case.
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According to local media in New York, Cali took the helm of the family in 2015, replacing Domenico Cefalu.
In 2008, Cali was arrested and charged with federal racketeering as part of Operation Old Bridge - a code name for the February 7 arrests in Italy and the US that targeted the Gambino crime family.
"We thought those days were over", the city's mayor Bill de Blasio told journalists.
Charges against members of Mafia operations, including Gambino family operatives, have included murder, loan sharking, gambling and illegal drug distribution, Reuters has reported. "Very surprising, but I guess old habits die hard".
The account, the report reads, shows Cali exiting and shutting his front door as he approaches a driver who had struck his vehicle. The shooting outside Cali's home, the source said, suggests the killing was meant to send an ominous message.
The body of mafia crime boss Paul Castellano lies on a stretcher outside the Sparks Steak House in NY in December 1985 after he and his bodyguards were gunned down at the direction of John Gotti, who then took over as boss. In October, reputed Bonanno associate Sylvester Zottola was fatally shot while waiting for a cup of coffee at a McDonald's drive-thru in the Bronx.
Last week, Carmine Persico, the 85-year-old former boss of the Colombo organisation, died after serving 33 years of a 139-year prison sentence. His son Salvatore had been shot three months earlier outside the family home, but survived.