Police in Virginia provided new details today about last week's shooting rampage at Virginia Tech They said Seung-Hui Cho fired 170 shots in Norris Hall, where most of the killings took place.
But investigators say they still don't know why the killer chose either of the locations for his rampage, or what, if any, link there is between the two.
Copyright 2022 NPR. To see more, visit https://www.npr.org.