The "Son of Sam" refers to David Berkowitz, an American serial killer who terrorized New York City in the late 1970s. He was responsible for a series of shootings that resulted in six deaths and several injuries between 1976 and 1977. Berkowitz claimed that a dog belonging to his neighbor, whom he referred to as Sam, commanded him to commit the murders. Berkowitz was arrested in August 1977 and later sentenced to multiple life terms in prison. His case drew significant media attention and led to widespread fear in the city. The "Son of Sam" moniker became infamous, symbolizing the panic surrounding his crimes.