Since 2020, with the help of Shanxi Public Security big data platform and the comprehensive use of new technologies and new means, the police of the special task force have successively traveled more than ten thousand miles to 22 counties (banners) in Shanxi, Shaanxi, Gansu and Mongolia, visited more than ten thousand people and investigated more than one hundred clues. After many times of study and judgment, the scope of activity of the suspect Zhang was determined.
u25b3 Hequ County Public Security Bureau issues reward notice
In order to prevent the criminal suspect from escaping again, the special team timely pushed the clue to Datong Public Security Bureau for joint study and judgment. After a visit and investigation, the police finally locked the suspects foothold and arrested the suspect Zhang Yutian in one fell swoop on the night of June 19.
After interrogation, the suspect Zhang confessed to the fact that he killed seven members of his father-in-laws family in April 1993 due to marital conflict.
At present, the case is under further investigation.