Virginia Tech: The Aftermath of the Massacre

You've heard the news of the massacre in Virginia. Cho Seung-Hui, a 23-year-old student of Korean descent killed 32 people and then took his own life in the bloodiest shooting spree in modern U.S. history.

Sometimes we learn of heroism in the face of such madness. A seventy-five year old Holocaust survivor, Professor Liviu Librescu, for instance, sacrificed his life by barring the door of his classroom while at the same time exhorting his students to jump through the windows to safety below.

After the shock and the grief, there are many questions that won't go away. The following articles deal with some of the most worrying aspects of this tragedy.

What motivates such shootings? [Video] Michael Welner, M.D., a Forensic Psychiatrist for New York University discusses the psychology of a mass shooter, and what may have prompted a person to go on a rampage.

The kid who never spoke Cho's high school classmates recall 'kid who never spoke'

Internet key in probe of Va. Tech gunman Computer forensics are playing a key role in the probe of the Virginia Tech gunman, with investigators revealing he bought ammunition clips on eBay designed for one of two handguns used to kill 32 people and himself.

The Silence of Politicians There are myriad questions from the evolving tragedy at Virginia Tech. One is how such a gravely disturbed student as this killer could raise heightened concern among the authorities over a year ago, yet manage to proceed unhindered to take 32 lives. But no less pertinent is the question of how, after detailed tracking of the guns purchased for the ghastly spree, the lethal empowerment of such a troubled individual can somehow be pronounced entirely legal under the laws of a civilized nation.