The Murder of Zhang Junju in Xian County (1997)

In November 1997, Zhang Junju, a villager from Daguozhuang Village, Guozhuang Town, Xian County, Hebei Province, was brutally killed inside his small shop during a robbery. The assailant fled with cash and goods, leaving few actionable clues. The case remained unsolved for 23 years, becoming a notorious cold case. In 2020, a renewed investigation under a national campaign to clear old homicide cases utilized DNA and fingerprint database matching, which identified a local man, Guo Mougang, as the primary suspect. Guo was arrested by the Xian County police and subsequently confessed to the 1997 murder and robbery. The breakthrough resolved a long-standing open file and brought the case to judicial proceedings.

Following arrest in 2020, Guo Mougang was charged with intentional homicide and robbery. The Xian County People's Court subsequently convicted him and sentenced him to death with a two-year reprieve (suspended death penalty), considering the long-drawn mental anguish to the victim's family, though final appeal results remain closely watched.

The main controversy centered on the reliability of evidence after a 23-year gap, including the chain of custody for forensic samples. There was also legal debate over whether the statute of limitations applied, given the suspect had remained undetected but not formally evading prosecution for decades. The defense challenged the voluntariness of the confession obtained years later.

The case demonstrated the persistence of China's "homicide cases must be solved" policy and the transformative power of forensic science in delivering justice belatedly. It provided a measure of closure to Zhang Junju's family after decades of grief. The widely reported arrest reinforced public confidence in cold-case units and the national DNA database, while sparking discussions on how delayed justice should be weighed in sentencing for crimes committed in a different era.