 He was aided by New York City police detective Joseph Petrosino who, impersonating Caruso, captured the extortionists.Two Italian men, Antonio Misiano and Antonio Cincotto, would be later specifically accused of the crime.Caruso's timbre darkened as he aged and, from 1916 onwards, he began adding heroic parts such as Samson, John of Leyden, and Eléazar to his repertoire.