PARKLAND, Fla. - The roads around the Marjory Stoneman Douglas High School have reopened four days after a mass shooting left 17 people dead and more than a dozen injured.
The FBI said Sunday it has turned over the main school campus over to Broward County school officials. Authorities will continue their investigation inside the freshman building where most of the shootings took place.
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That building will remain closed, and school officials have said it may eventually be torn down.
After the shootings, authorities established a large perimeter around the campus, keeping parents, media and other onlookers far from the school.
"The worst week in my professional career without question," Broward County Sheriff Scott Israel said.
Seventeen crosses -- one for each victim -- have been erected in front of the school, becoming a makeshift memorial for residents.
School officials said the goal is to allow staff to return to campus by the end of the week.
Monday is a holiday, and the high school will remain closed Tuesday and Wednesday, the school district said in a news release late Saturday night.
Broward County Public Schools Superintendent Robert Runcie told NBC's "Meet the Press" that students may return on Monday, Feb. 26.
Former student Nikolas Cruz, 19, was arrested Wednesday on 17 counts of premeditated murder and is being held without bond.
"Our hearts remain with the victims and families impacted by the Marjory Stoneman Douglas High School tragedy," Broward County Public Schools said in a release. "Across our community, the difficult and emotional recovery process continues, as we struggle to understand this senseless act of violence and find a way to move forward."
Marjory Stoneman Douglas High School Principal Ty Thompson also released a video message to students on YouTube Saturday.
"I will hug each and every one of you as many times as you need and I will hold you as long as you need me to," Thompson said.
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