John Flammang Schrank

Assassanation
John Flammang Schrank was a German Immigrant and bartender who tried to shoot Theodore Roosevelt when he was running for reelection. While he was walking towards the podium to give a speech, Schrank shot Roosevelt. The bullet didn't enterned his lung, it was blocked by a copy of his speech in his coat pocket. Roosevelt then gave his 80 minute long speech before being carried to the hospital. Schrank was sentenced to a mental health hospital, where he died of bronchial pneumonia.

Motive
Schrank claimed that in one of his dreams, the ghost of William McKinley came from the grave and commanded that he avenge his death and shoot Theodore Roosevelt,