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Dallas Attack: How the Deadly Police Ambush Unfolded
NBC News Clone summarizes the latest on: Mmvo42513477857 - Breaking News | NBC News Clone. This article is rewritten and presented in a simplified tone for a better reader experience.
A law enforcement source tells NBC station KXAS that the gunman, who shot 12 officers, was laughing and singing before police killed him with a bomb on a robot.
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