Part 4/12:
The early 20th century marked an increase in crime reports, including mentions of the infamous Black Hand gangs. Immigrant gangs were soon implicated in various violent crimes, including the assassination of Lieutenant Joseph Petrosino, a pioneering police officer who had dedicated his life to tracking down mafia activities. This sparked widespread discrimination against Italians in the U.S., but it also brought more recruits to the mafia, creating a cycle of crime and poverty.