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Eldy Bratt walks down a cell block on Alcatraz with her son Peter Bratt, left, and one of her daughters in San Francisco, March 26, 1970, during the 19-month Native American occupation of the former prison. Peter Bratt, now a filmmaker, spoke with AP about his experience and the legacy of the occupation 50 years later.

AP Photo / Richard Drew

Felicia Fonseca, Terry Tang, Haven Daley and Eric Risberg for an all-formats look at the legacy of the Native American occupation of Alcatraz Island 50 years later, including an interview with filmmaker Peter Bratt who was 7 years old when he accompanied his mother to the former prison. The 19-month occupation is widely seen as a pivotal event that prompted tribes to organize and advocate for indigenous rights.