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Key witness in Amber Guyger trial fatally shot in Dallas

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Joshua Brown, a neighbor who testified in the murder trial of former Dallas police officer Amber Guyger, was fatally shot Friday night. Civil attorney Lee Merritt, who represented the family of Guyger’s victim, Botham Jean, and is now representing Brown’s family, says the trial may have put a target on Brown. NBC’s Morgan Chesky reports for TODAY.