September 9th 1971; A four-day riot at Attica Prison comes to a violent end as law enforcement officials open fire, killing 29 inmates and 10 hostages and injuring many more. The prison insurrection was the bloodiest in U.S. history.

On the morning of September 13, tear gas was dropped over the prison and state troopers opened fired on a group of over 1,200 inmates. In the chaos, 10 hostages and 29 inmates were killed by police gunfire and another 80 people were seriously wounded, the majority of them inmates, in what became the bloodiest prison uprising in U.S. history. Adding to the death toll were three inmates and a guard who had been killed earlier during the riot.