Many of his victims were wearing red when their mutilated bodies were found. His wave of terror went from the Gansu province to Inner Mongolia.
Detectives linked the crimes as far back as 2004 and offered a reward of 200,000 yuan ($30,000) for information leading to an arrest.
Finally, Gao's uncle was arrested on a separate minor crime that required a DNA test. Police found it closely matched the profile of the murder suspect so they covertly gathered Gao's DNA and found it was a 100-percent match.
Gao never apologized to any of his victims' families.
He would then follow them home, rape them, then kill them, often by slitting their throats.
Image Gao Chengyong targeted young women wearing red and followed them home
"To satisfy his perverted desire to dishonour and sully corpses, many of his female victims" corpses were damaged and violated, ' the court said on Weibo when he was convicted.
Police checked 100,000 pieces of fingerprint evidence while hunting for Gao.
Last March, Gao was given the death penalty by a court in Baiyin for robbery, rape, murder, and mutilation of corpses.
Gao Chengyong was executed on Thursday after pleading guilty to the murder of 11 women and girls. He would stalk his victims during the day, especially women who lived alone, and targeted women who wore red.
Chinese grocer Gao Chengyong might seem like an unassuming candidate to be China's "Jack the Ripper", but a local court says the 53-year-old was responsible for the brutal murders of 11 women and girls. The sample revealed that he was related to the elusive killer, and a subsequent investigation led to Gao's arrest.
At the time, police suspected the Ripper must have been a butcher, due to the way his victims were killed and the fact they were discovered near to the dockyards, where meat was brought into the city.
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