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Parkland high school shooter pleads guilty, says he's 'very sorry'

Parkland high school shooter pleads guilty, says he's 'very sorry'
"I am very sorry for what I did," Parkland school shooter Nikolas Cruz says several times at a Florida courthouse after pleading guilty to killing 17 people in the deadliest high school shooting in US history. Cruz adds that he hopes to have a second chance "to try to help others."READ MORE: