McKinley was elected to a second term as president in 1900. His second term did not last very long. He was shot by an anarchist named Leon Czolgosz on September 6, 1901. His abdominal gunshot wounds became infected and resulted in gangrene. He died on September 14. Czolgosz said the President committed war crimes in the Philippines and was an enemy of the people. Czolgosz was executed in the electric chair on October 29, 1901 . McKinley was the third American President to be assassinated. 