Heroism in V.T. Tragedy

I think the best way to do this will be to do a series of shorter articles and keep them linked.
Some details are finally being revealed about yesterday's shooting that devastated Virginia Tech.

Ballistics tests show one gun was used in two attacks on the campus Monday morning — at a dormitory were two people were killed and in a classroom building where 31 people, including the gunman, died locked inside, Virginia State Police said.

Cherry-picking quotes from this AP article...

Cho was in the U.S. as a resident alien with a residence established in Centerville, Va., but living on campus in Harper Residence Hall, the university said.
Two law enforcement officials, speaking on condition of because the information had not been announced, said Cho's fingerprints were found on the guns used in both shootings. The serial numbers on the two weapons had been filed off, the officials said.

...

Erin Sheehan, who was in the German class near Calhoun's room, told the student newspaper, the Collegiate Times, that she was one of only four of about two dozen people in the class to walk out of the room. The rest were dead or wounded, she said.
She said the gunman "was just a normal-looking kid, Asian, but he had on a Boy Scout-type outfit. He wore a tan button-up vest, and this black vest, maybe it was for ammo or something."

...

"We can only make decisions based on the information you had at the time. You don't have hours to reflect on it," Steger said.
The 9:26 e-mail had few details: "A shooting incident occurred at West Amber Johnston earlier this morning. Police are on the scene and are investigating."

This Jerusalem Post article, thanks to powerline,
Israeli professor killed in US attack.

As Jews worldwide honored on Monday the memory of those who were murdered in the Holocaust, a 76-year-old survivor sacrificed his life to save his students in Monday's shooting at Virginia Tech College that left 33 dead and over two dozen wounded.
Professor Liviu Librescu, 76, threw himself in front of the shooter when the man attempted to enter his classroom. The Israeli mechanics and engineering lecturer was shot to death, "but all the students lived - because of him," Virginia Tech student Asael Arad - also an Israeli - told Army Radio.
Several of Librescu's other students sent e-mails to his wife, Marlena, telling of how he had blocked the gunman's way and saved their lives, said Librescu's son, Joe.