After Don Vito's retirement, followed by his death from a heart attack, the family business was taken over by Michael, who ordered the assassinations of the rival dons, Moe Greene, Carlo Rizzi and Sal Tessio for conspiring with Barzini.
The family business was taken over by Michael. This was after Don Vito's retirement. Don Vito's retirement was followed by his death from a heart attack. Michael ordered the assassinations of the rival dons for. Michael ordered the assassinations of Moe Greene for. Michael ordered the assassinations of Carlo Rizzi for. Michael ordered the assassinations of Sal Tessio for. Michael was conspiring with Barzini.