out. family friend michael kobel described the process and what they found. we received the results of the autopsy, which stated he died of a heart attack of natural causes. the autopsy further states that nothing else was found in his system. reporter: we ve also had it confirmed it was james gandolfini s son, michael, just 13 years old, who alerted the authorities when he found his father slumped in a hotel room. they actually had to bash the door down. they administered cpr all the way to hospital, but he was pronounced dead on arrival. now they are making arrangements for a funeral in new york thursday, friday, perhaps at the latest saturday. meanwhile, the film festival that he was due to attend in sicily is going ahead as a tribute to the 51-year-old actor. jake? thanks, dan. up next, a major north american city under water. holy [ muted ].