Sobel changes his mind when the FBI make him listen to a recorded tape of Vitti speaking with another mobster , in which Vitti reveals his intention to kill Sobel after the meeting ( the tape is actually altered by the FBI in an attempt to sway Sobel to their side : Vitti had actually said that he would kill anyone who harmed Sobel ) .
In the film Analyze This , Vitti vowed to eliminate anyone who harmed Sobel .