Some believe Alfano allies were responsible for assassinating Petrosino as he traveled in Sicily in 1909.
Back in Italy, Alfano stood trial at Viterbo for the Cuoccolo murders. His trial lasted many months in 1911 and 1912. In the end, Alfano was convicted and sentenced to life in prison.
It should be noted that Lt. Petrosino was far more effective at penetrating and intimidating the Camorra than the Mafia. His activity unintentionally may have given a competitive edge to the city's Mafia organization.