Attacks Mark Deadliest Mass Shooting in U.S. History

BLACKSBURG, Virginia (CNN) -- Long before before Cho Seung-Hui's deadly shooting spree on the Virginia Tech campus, a professor was so concerned about his anger that she took him out of another instructor's class and taught him one-on-one.
The former chairwoman of Virginia Tech's English department, Lucinda Roy, said the anger Cho expressed in the fall 2005 creative writing course was palpable if not explicit.

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BLACKSBURG, Virginia (CNN) -- A gunman who killed at least 30 people in one of two shootings on the campus of Virginia Tech was dressed "almost like a Boy Scout," said a student who survived by pretending to lie dead on a classroom floor.

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