Shots of the police during the chaos of San Francisco State University’s Student Strike of ’69.

Riot police escort a young African-American man, march, and arrest isolated individuals.

The police carry an injured person on a stretcher.

Several cops guard the entrance to a school building, holding their batons with both hands as if to intimidate the people approaching. Cops stand on the roof of a building.

Blood covers the street with crumpled tissue or torn clothing.