Serial killer gets death penalty for 11 murders
Timeline of bringing a killer to justice
March 30, 2018
Gao Chengyong receives the death sentence.
July 18 to July 19, 2017
Gao stands trial in a closed-door proceeding due to privacy of the victims.
April 2017
Prosecutors accuse Gao of homicide, rape, robbery and mutilation of corpses.
Aug 26, 2016
Gao is arrested in a grocery store in a school in Baiyin.
March 2015
A blood sample taken from another member of Gao's family in a separate case leads Gansu police to Gao after a DNA comparison.
August 2004
The Ministry of Public Security combines the investigations of the killings in Gansu province and the Inner Mongolia autonomous region.
May 1988 to February 2002
Eleven females, including an 8-year-old girl, are killed in Baiyin, Gansu province, and Baotou, Inner Mongolia.
