
In 1990, a man in China killed a family of 3 and escaped, the case stayed as a cold case until 2020 when police discovered that the suspect was killed in another crime
In June 4 1990, in Hanshan, Anhui, a man named Ling Mouqing attacked with an axe the family of his wife, in the attack 3 were killed including Xi, Ling's wife and her parents, after the attack Ling escaped and the case stayed as a cold case.
The police didn't solve the case until October-November 2020, after many years police started to investigate it again as part of their campaign of solving cold cases every year.
During the investigation they found the photo of a temporary residence id of a man named Xiong Moumao who was registered in Yiwu, Zhejiang in 2010 and they noticed that he looked like the suspect.
They first asked information in the Jiangxi police department, the natal residence of Xiong, they noticed that his photo looked nothing like the 2010 one, they also found that the real Xiong never left his village in Jiangxi and died from cancer in 2015 leaving them with the logic conclusion that someone used the stealed ID of Xiong.
When they went to Yiwu, they found that the man suspected of being the impostor dissappeared in 2014 and that the family of the original Xiong who lived in the city moved that same year.
Investigators finally found the family of Xiong and interrogated both the wife and his son Xiong Moufei about the disappearance of the man, they both had different version so they pressured both to confess, in the end Moufei confessed that he had murdered and dismembered the man in 2014 and then buried him, when he gave the localization they found the body and through DNA identified the victim as Ling Mouqing.
According to the investigations, after the murders in 1990, Ling lived as a homeless person until he meet Xiong Moumao at the end of 1990, he was unaware of his background and then Ling formed a relationship with him and his family. During those years Xiong suffered a sever illness and when he died Ling took his identity a lived with his family.
After taking his identity, Ling was aggresive with the family, he threatened them saying that he had already killed his last family and that he would do it again and even beated the grandchild.
During a night near the end of 2014, Ling raped Xiong Moufei wife which angered him, according to him this act was what motivated him to take revenge and when Ling was sleeping he took a hammer and bludgeoned him to death, he then dismembered and buried him near a mountain outside Yiwu.
For this crime Xiong was sentenced to 15 years in prision in February 2022, he didn't appeal.