Landmarking the Black Panther Party  https://www.bloomberg.com/news/features/2024-02-24/how-chicago-is-landmarking-the-black-panther-party 

The feeling of sanctuary behind these engine-block thick walls was more than metaphorical: The Panthers felt the Chicago police, who had raided their headquarters, would not break down the doors of a church. It was “liberated territory,” said Black Panthers’ Illinois chapter co-founder Bobby Rush, who later represented Chicago in Congress for 30 years. “We felt safe there.”