Episode 12
At the scene of Ding Li's murder, the police officers found a key piece of evidence - a blood-stained T-shirt that belonged to the suspect Zu Yang.However, the investigation of the case reached a deadlock because Zu Yang's DNA could not be detected on the T-shirt.At this time, Qin Chuan showed his wisdom. He asked Zu Yang to put on a new T-shirt, and cleverly used Zu Yang's habit of taking off his clothes to allow the technicians to successfully collect blood from the bloody T-shirt.On to the DNA.
After appraisal by the provincial department, the bloody T-shirt was confirmed to belong to Zu Yang. Together with other evidence, such as witness statements and bloody fingerprints, Zu Yang's murder was finally confirmed.Dong Zhenfa and Zhou Yong deeply admired Qin Chuan's rigor and seriousness, and Zhou Yong even offered to transfer from the criminal police team.Under Qin Chuan's command, Zu Yang confessed all his crimes. It turned out that he brutally killed Ding Li and her daughter because he was jealous of Ding Li's new boyfriend.
Time flies by like a flash, and several years have passed in the blink of an eye.Qin Chuan still maintained his enthusiasm for work and solved one case after another.However, just as he had just finished a case that lasted more than thirty hours and was about to go home to rest, he received a new task - a murder occurred in Songshan County.Regardless of exhaustion, Qin Chuan and Xiao Qingdong rushed to Songshan County in heavy snow.
This case occurred five years ago. A fourteen-year-old girl, Li Ai, was raped and murdered on her way to a classmate's home.After the incident, Li Ai's body was brutally thrown into a snow pit.Although the Songshan County Public Security Bureau conducted extensive investigation work, it has been unable to find the real culprit.The former police chief and four police officers were punished for this, and the new deputy chief was also killed in a car accident while investigating the case.This case brought huge psychological pressure to the public security officers of Songshan County.
After Qin Chuan arrived, he immediately devoted himself to the investigation of the case.He studied the files carefully and went to the crime scene to investigate in person.Through a series of reasoning and investigation work, Qin Chuan gradually narrowed down the scope of suspects.Finally, with the help of forensic doctors, Qin Chuan successfully identified the suspect - Ma Chaohua's son Ma Weiming.
After further testing and comparison, forensic doctors confirmed that Ma Weiming was the real murderer of Li Ai.When Gao Zheng and the police arrested Ma Weiming, they cheered loudly with excitement.The case that had troubled them for five years was finally solved.And Qin Chuan once again realized the hardship and responsibility of criminal police work, and he further strengthened his belief - to contribute his own strength to the people's livelihood and peace and prosperity.
