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COLUMBUS, OH - NOVEMBER 28: Police investigate the scene where an individual used a car to crash into a group of students outside of Watts Hall on the Ohio State University campus on November 28, 2016 in Columbus, Ohio. At least nine people were injured when a suspect reportedly drove into a crowd of pedestrians and slashed several people with a knife before being fatally shot by university police. (Photo by Kirk Irwin/Getty Images)
COLUMBUS, OH - NOVEMBER 28: Police investigate the scene where an individual used a car to crash into a group of students outside of Watts Hall on the Ohio State University campus on November 28, 2016 in Columbus, Ohio. At least nine people were injured when a suspect reportedly drove into a crowd of pedestrians and slashed several people with a knife before being fatally shot by university police. (Photo by Kirk Irwin/Getty Images)

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    Police investigating OSU ambush

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Police investigating OSU ambush

The suspect in the Ohio State University attack rammed his car into a group of pedestrians before using a butcher knife to cut several people, university officials said.

Police investigating OSU ambush

The suspect in the Ohio State University attack rammed his car into a group of pedestrians before using a butcher knife to cut several people, university officials said.