gandolfini. good morning. >> we know that autopsy will be performed tomorrow. maybe we will begin to get more answers into what happened here. in the meantime, fans and friends are celebrating the life of the man who made us love a mobster. the sudden death of james gandolfini rippled from italy to the jersey shore. >> i can't believe it. i'm in shock. >> really taken back. he's such a young man. just such a nice guy. >> reporter: his death confirmed by hbo. the network, where he shot to fame as the tough talking mob boss tony soprano on the hit show "the sopranos." the hbo representative said the 51-year-old actor may have had a heart attack, although the official cause is not yet known. the news blindsided his closest hollywood friends. soprano's co-star tweeting, i have lost a brother and a best friend. the world has lost one of the