Ten white crosses with red hearts were also displayed in front of the school to symbolize the eight students and two teachers killed during the mass shooting.
Man drives from Chicago to put up crosses with the names of Santa Fe HS shooting victims
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A man from Chicago who travels to mass murder sites to pay tribute to the victims placed the crosses on the campus.
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Chicago man honors Las Vegas victims with crosses
During the moment of silence, many embraced in prayer. Others bowed their heads solemnly.
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President Trump has also ordered that all U.S. flags fly at half-staff out of respect for those affected by the shooting through sunset on May 22.