The detective Xu Ming encountered a case that made him scratch his head. The son of a real estate developer in this city hanged himself at home. According to Zhang Yan, the brother of the deceased and the informant, yesterday he and his brother Zhang Huan made an appointment to ride a horse in Beishan this morning, but he did not see Zhang Huan’s shadow, so he went to look for him. As soon as he entered the house, he saw his brother hanged in the living room. On the crystal lamp.

At first, the police thought this was a suicide case, but the autopsy report revealed that it was a carefully disguised murder. The forensic doctor found a large amount of sleeping medicine residues in the stomach of the deceased. He hanged himself in a semi-drowsy state-this is obviously unconvincing.

The forensic doctor also found an irregular-shaped photo in Zhang Huan’s mouth—it was obviously cut from a complete photo. Judging from the clarity of the screen, this photo should be a screenshot of a dynamic image taken with a low-end digital video camera. The picture is a bit fuzzy, but it is enough to see the facial expressions of the dead Zhang Huan and another young man.
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After Zhang Yan’s identification, another young man named Dong Wenbo on the screenshot is Zhang Huan’s best friend. After graduating from university three years ago, Zhang Huan became the “rich second generation” with peace of mind, and was involved with a bunch of idlers all day long. Dong Wenbo was one of them.

In the screenshot, Zhang Huan’s eyes are drooping, his body tilted slightly forward, and the expression on his face is rather wretched; his lower body seems to be wearing nothing, but the screenshot is not very good. clear. Dong Wenbo stood behind him with his back to Zhang Huan, with an elusive smile on his face; his right arm was raised high, as if he was holding something in his hand, but he couldn’t see it in the screenshot.

After reading the screenshots, Xu Ming immediately realized that Dong Wenbo would be dangerous. Sure enough, when the police entered the house where Dong Wenbo was renting, all they found were cold bodies—Dong Wenbo was hanged on a heating pipe in the bedroom. Alcohol and residual sleeping pills were also found in his body. There is also a photo in his mouth, another part of the same video screenshot, which shows a weak-looking young man wearing gold glasses. Xu Ming asked Zhang Yan to identify. Zhang Yan shook his head after seeing it, claiming that he had never seen this person.

The biggest doubt in Xu Ming’s mind is: Since the murderer left two screenshots to the police as clues for investigation, why did he disguise the scene of the crime as a scene where the victim hanged himself? ? Who is the man in the second video screenshot? Will it be the next victim?

Back to the police station, Xu Ming put the two screenshots together. The young man wearing gold glasses stood opposite Dong Wenbo. Dong Wenbo held a dagger in his right hand raised high and pointed at the young man’s chest. From the analysis of the existing screenshots, Zhang Huan and Dong Wenbo seem to be engaged in some kind of wrongdoing, and the man wearing gold glasses should be the target of coercion.