Meanwhile, Wash had arrived at Kelly Ingram Park to watch. "[W]e saw those people willingly turn themselves over to the police . . .,” he said. His reaction: "Wow, they must be crazy.” Experience had taught Wash that "the police was vicious murderers.” He knew how much pain they could inflict on young black bodies—as Arnetta discovered the next day.

What does the author’s use of Wash’s quotes help readers understand?

that Wash was curious about the marchers after all
that Wash wished he had marched with the others
that Wash hoped the arrested students would not be hurt
that Wash had terrible experiences dealing with the police