APTOPIX Ohio State Active Shooter(01 of17)
Open Image ModalA car inside a police line sits on the sidewalk as authorities respond to an attack on campus at Ohio State University, Monday, Nov. 28, 2016, in Columbus, Ohio. Several were injured after a man plowed his car into a group of pedestrians at the university and began stabbing people with a butcher knife Monday before he was shot to death by a police officer. (AP Photo/John Minchillo) (credit:ASSOCIATED PRESS)
Ohio State Active Shooter(02 of17)
Open Image ModalPolice stand guard outside a residence of interest during their investigation into an earlier attack at the Ohio State University campus, Monday, Nov. 28, 2016, in Columbus, Ohio. (AP Photo/John Minchillo) (credit:ASSOCIATED PRESS)
Ohio State Active Shooter(03 of17)
Open Image ModalCrime scene investigators collect evidence from the pavement as police respond to an attack on campus at Ohio State University, Monday, Nov. 28, 2016, in Columbus, Ohio. (AP Photo/John Minchillo) (credit:ASSOCIATED PRESS)
Ohio State Active Shooter(04 of17)
Open Image ModalPolice stand guard outside a residence of interest during their investigation into an earlier attack at The Ohio State University campus, Monday, Nov. 28, 2016, in Columbus, Ohio. (AP Photo/John Minchillo) (credit:ASSOCIATED PRESS)
Ohio State Active Shooter(05 of17)
Open Image ModalPolice stand guard outside a residence of interest as a neighbor exits his home during their investigation into an earlier attack at the Ohio State University campus, Monday, Nov. 28, 2016, in Columbus, Ohio. (AP Photo/John Minchillo) (credit:ASSOCIATED PRESS)
Ohio State Active Shooter(06 of17)
Open Image ModalCrime scene investigators collect evidence from the pavement as police respond to an attack on campus at Ohio State University, Monday, Nov. 28, 2016, in Columbus, Ohio. (AP Photo/John Minchillo) (credit:ASSOCIATED PRESS)
Ohio State Active Shooter(07 of17)
Open Image ModalPolice respond to an attack on campus at Ohio State University, Monday, Nov. 28, 2016, in Columbus, Ohio. (AP Photo/John Minchillo) (credit:ASSOCIATED PRESS)
Ohio State Active Shooter(08 of17)
Open Image ModalAngshuman Kapil, a graduate student at Ohio State University, speaks to members of the media as police investigate an attack on campus, Monday, Nov. 28, 2016, in Columbus, Ohio. Kapil was outside the building when a car barreled onto the sidewalk. âIt just hit everybody who was in front,â he said. âAfter that everybody was shouting run, run, run.â (AP Photo/John Minchillo) (credit:ASSOCIATED PRESS)
Ohio State Active Shooter(09 of17)
Open Image ModalPolice respond to reports of an attack on campus at Ohio State University, Monday, Nov. 28, 2016, in Columbus, Ohio. (AP Photo/John Minchillo) (credit:ASSOCIATED PRESS)
Ohio State Active Shooter(10 of17)
Open Image ModalPolice respond to an attack on campus at Ohio State University, Monday, Nov. 28, 2016, in Columbus, Ohio. (AP Photo/John Minchillo) (credit:ASSOCIATED PRESS)
Ohio State Active Shooter(11 of17)
Open Image ModalStudents leave buildings as police respond to an attack on campus at Ohio State University, Monday, Nov. 28, 2016, in Columbus, Ohio. (AP Photo/John Minchillo) (credit:ASSOCIATED PRESS)
Ohio State Active Shooter(12 of17)
Open Image ModalA car inside a police line sits on the sidewalk as authorities respond to an attack on campus at Ohio State University, Monday, Nov. 28, 2016, in Columbus, Ohio. (AP Photo/John Minchillo) (credit:ASSOCIATED PRESS)
Ohio State Active Shooter(13 of17)
Open Image ModalSWAT teams and police respond to reports of a shooting on campus at Ohio State University, Monday, Nov. 28, 2016, in Columbus, Ohio. (AP Photo/John Minchillo) (credit:ASSOCIATED PRESS)
Multiple People Hospitalized After Attacks On Ohio State University Campus In Columbus(14 of17)
Open Image ModalCOLUMBUS, OH - NOVEMBER 28: Police keep the roads closed around Watts Hall following an attack on the campus of the Ohio State University 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) (credit:Kirk Irwin via Getty Images)
Multiple People Hospitalized After Attacks On Ohio State University Campus In Columbus(15 of17)
Open Image ModalCOLUMBUS, OH - NOVEMBER 28: Police keep the roads closed around Watts Hall following an attack on the campus of the Ohio State University 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) (credit:Kirk Irwin via Getty Images)
TOPSHOT-US-EDUCATION-SHOOTING(16 of17)
Open Image ModalTOPSHOT - Law enforcement officials are seen outside of a parking garage on the campus of Ohio State University as they respond to an active attack in Columbus, Ohio, on November 28, 2016.\nEight people were injured when an attacker apparently drove into a crowd at Ohio State University on Monday, triggering an hours-long lockdown before authorities declared the campus secure. Law enforcement shot and killed one suspect, according to local television station WBNS, which reported that police led two people out in handcuffs from a garage they had surrounded on the university\'s main campus in Columbus.\n\n\n / AFP / Paul Vernon (Photo credit should read PAUL VERNON/AFP/Getty Images) (credit:PAUL VERNON via Getty Images)
US-EDUCATION-SHOOTING(17 of17)
Open Image ModalLaw enforcement officials are seen outside of a parking garage on the campus of Ohio State University as they respond to an active attack in Columbus, Ohio, on November 28, 2016.\nEight people were injured when an attacker apparently drove into a crowd at Ohio State University on Monday, triggering an hours-long lockdown before authorities declared the campus secure. Law enforcement shot and killed one suspect, according to local television station WBNS, which reported that police led two people out in handcuffs from a garage they had surrounded on the university\'s main campus in Columbus.\n\n\n / AFP / Paul Vernon (Photo credit should read PAUL VERNON/AFP/Getty Images) (credit:PAUL VERNON via Getty Images)