sentences:  Skinner was a witness when after the President's speech, Leon Czolgosz approached the President, and shot him twice.McKinley died of his wounds on September 14, 1901, becoming the third President to be assassinated after Abraham Lincoln in 1865 and James Garfield in 1881.Skinner previously lived in Washington D.C. in 1882, and had been asked to attend the execution of Garfield's assassin, Charles Guiteau, but was unable to attend due to the illness of his daughter.