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what we know gunman micah johnson perez lead_00015726
what we know gunman micah johnson perez lead_00015726

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    Dallas gunman is former U.S. Army reservist

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Dallas gunman is former U.S. Army reservist

CNN's Evan Perez reports what we know about Micah Xavier Johnson.

Dallas gunman is former U.S. Army reservist

CNN's Evan Perez reports what we know about Micah Xavier Johnson.