Conversation so far:
When did Dimebag Darrell die?
On December 8, 2004
How did Dimebag Darrell die on December 8, 2004?
a deranged fan, rushed onto the stage and shot Abbott multiple times with a Beretta 92FS, a 9mm semi-automatic pistol.

Question: Who shot him?
Self-contained rewrite: Who shot Dimebag darell multiple times with a berretta 92FS, a semi-automatic pistol?