[url]http://news.bbc.co.uk/1/hi/programmes/this_world/7315165.stm[/url]
[QUOTE]One year after the United States' worst mass-shooting, This World investigates why the killer carried out the attack.
On the morning of 16 April 2007, on the Virginia Tech campus in America, a 23-year-old student called Seung-Hui Cho killed 32 people before turning his gun on himself.
The incident became the worst gun rampage in US history.
Using extensive access to key witnesses, it delves into the mystery of how Cho, a young man with no criminal history, became a mass murderer[/QUOTE]
