Whitey Bulger was an infamous American mobster who led the Winter Hill Gang in Boston during the late 20th century. Born on September 3, 1929, he became a prominent figure in organized crime, involved in various illegal activities, including drug trafficking and extortion. Bulger was known for his violent methods and was a fugitive for 16 years after being indicted in 1994. In addition to his criminal activities, Bulger was an informant for the FBI, providing information on rival gangs while simultaneously betraying the agency's trust. He was captured in 2011 and later convicted of multiple crimes, including murder, receiving two life sentences.