Rippenkroeger was seriously injured when he fell twenty - five feet to the pavement .
During the filming of the film Live Free or Die Hard , Rippenkroeger was the stunt double for Bruce Willis .
stunt double was seriously injured when Rippenkroeger fell twenty - five feet to the pavement .
During the filming of the film Live Free or Die Hard , Rippenkroeger was the stunt double for Bruce Willis .