Democracy Now! has an excellent and comprehensive report on the 40th anniversary of the Kent State shootings.
On May 4th, 1970, National Guardsmen opened fire on hundreds of unarmed students at an antiwar rally at Kent State University in Ohio. The guardsmen fired off at least 67 shots in roughly 13 seconds. Four students were killed and nine others wounded.
Watch or listen to a stream of the broadcast. You can also download an MP3. Other options are available here.
