 William "Boss" Tweed was a local politician and head of Tammany Hall, the name given to the Democratic Party political machine that played a major role in New York City politics from the 1790s to the 1860s.After being arrested for bilking the city out of millions of dollars, Tweed jumped bail and was later apprehended in Spain.He was subsequently delivered to authorities in New York City on November 23, 1876.