Question: Where did the man who killed twenty California Indians establish a fort?
Related documents: [0]  [DOC] John Augustus Sutter (February 20, 1803 – June 18, 1880), born Johann August Suter, was a German-born Swiss pioneer of California known for establishing Sutter's Fort in the area that would eventually become Sacramento, California, the state's capital. Although he became famous following the discovery of gold by his employee James W. Marshall and the mill making team at Sutter's Mill, Sutter saw his own business ventures fail during the California Gold Rush. Those of his elder son, John Augustus Sutter Jr., were more successful. [END] 
[1]  [DOC] The Kern and Sutter massacres refer to a campaign of terrorism on March 23, 1847 in which men led by Captain Edward M. Kern and rancher John Sutter killed twenty California Indians. [END] 
Answer: 
Sacramento, California,
Sacramento, California,