On May 7, 1974, much of the nation watched a fiery shootout on television. Los Angeles police used “more ammunition than they'd ever used before,” according to the local ABC affiliate, in an attempt to detain members of the radical leftist Symbionese Liberation Army. Five people died.

Most viewers wondered whether Patty Hearst, the granddaughter of publishing magnate William Randolph Hearst whom the SLA had kidnapped, was inside. In St. Peter, Minn., a pastor and his wife wondered whether their daughter was inside.

It turns out Patty Hearst was not, but Camilla Hall was. What led the pastor’s daughter to that house is the subject of a new book by Minnesota author Rachael Hanel. It’s called, “Not the Camilla We Knew: One Woman's Path from Small-town America to the Symbionese Liberation Army,” published by University of Minnesota Press.

“Camilla was raised Lutheran — and the type of Lutheran where social justice was really, really important,” Hanel said. “So she had a very big and caring heart. She truly wanted to see a more equal society. And I think frustrations over the years of trying to work within the system would be one reason why she became part of the SLA.”

It’s one reason among many that Hanel explores in her book. And she says that’s how we need to think about radicalization today.