Task: Text Categorization
Input (English): In this city, attempts to catch a serial killer resulted in the distribution of special "check cards" to citizens matching a description, which could be used to avoid a second police stop. This city's former mayor Art Agnos was wounded during an gun attack by a group of men who first used a machete to kill Quita Hague. Manuel Moore, Jesse Lee Cooks, Larry Green, and J.C.X. Simon were convicted of serial killings in this city, where the police dedicated radio channel (*) Z to the case of fourteen killings that occurred along Divisadero Street between October 1973 and April 1974 and were racially charged attacks by black gunmen on random white victims. For 10 points, name this city where the Zebra Murders took place five years before the White Night Riots protested the light sentence given to Dan White for killing George Moscone and Harvey Milk.
Output (English): History