Charles Ng Chi-Tat (born December 24, 1960) is a convicted British serial killer who committed numerous crimes in the United States.
He is believed to have raped, tortured and murdered between 11 and 25 victims with his accomplice Leonard Lake at Lake's cabin in Calaveras County, California, in the Sierra Nevada foothills, 60 miles from Sacramento.
After his 1985 arrest and imprisonment in Canada on robbery and weapons charges, followed by a lengthy dispute between Canada and the US, Ng was extradited to California, tried, and convicted of 11 murders.
He is currently on death row at San Quentin State Prison.