Frank Rizzo: Philadelphia’s Tough Cop Turned Mayor

On Saturday night, August 29, 1970, unknown assailants shot to death Philadelphia police sergeant Frank Von Colln while stationed in a small guardhouse in the Cobbs Creek section of the city’s expansive Fairmount Park. No one witnessed the killing, but police suspected that it was the work of the Black Panther Party, an African American revolutionary organization that endorsed violence as a...
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