When Mussini disappeared from the city , he was feared dead .
In 1903 Cosetti challenged a rival artist , Augusto Mussini ( 1870 -- 1919 ) to a duel because he had become infatuated with Goretti .
When Augusto Mussini disappeared from the city , Cosetti was feared dead .
In 1903 Cosetti challenged a rival artist , Augusto Mussini ( 1870 -- 1919 ) to a duel because he had become infatuated with Goretti .