"One of our interns was approached by Loughner. Ron Barber never talked to Loughner, before or after the shooting," spokesman Mark Kimble said Thursday night.
Giffords gunman made online rants before killing →
"He was not more than three or four feet from the congresswoman and the district director," Mr. Kimble said, describing the scene as "just complete chaos, people screaming, crying."
Suspect in Giffords shooting acted alone →
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