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orlando shooter omar mateen warning signs todd dnt tsr_00002116
orlando shooter omar mateen warning signs todd dnt tsr_00002116

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    Files: Mateen disciplined 31 times in elementary school

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Files: Mateen disciplined 31 times in elementary school

Accounts from former classmates and documents from the St. Lucie school system reveal multiple incidents involving Orlando shooter Omar Mateen. CNN's Brian Todd reports.

Files: Mateen disciplined 31 times in elementary school

Accounts from former classmates and documents from the St. Lucie school system reveal multiple incidents involving Orlando shooter Omar Mateen. CNN's Brian Todd reports.