Free Web NovelChapter 790: Chapter 421: The Murderer’s Method Is Unusual
Just when everyone was frowning and almost at a loss, Jiang An’s phone suddenly rang, the clear ringtone sounding particularly abrupt in the oppressive air.
He quickly took the phone out of his pocket, and a familiar landline number appeared on the screen — the toxicology lab’s number.
He immediately pressed the answer button, holding the phone close to his ear, "Hello, please go ahead."
A clear and steady voice from the lab staff came from the other end, "Mr. Jiang, reporting to you."
"The test results of the samples you previously sent to the physical and chemical lab are out."
Jiang An’s expression tensed up, yet his tone remained calm, "Alright, please tell me, what are the results?"
"No common toxic substances were detected in the male deceased’s body, but the alcohol content in his blood is extremely high."
"Alcohol content?"
Jiang An slightly raised his voice, "What exactly is the number?"
"Did the blood alcohol concentration reach 220? That’s not a low number."
"Yes, the precise number is 220mg/100ml."
"No toxic substances or alcohol components were detected in the female deceased’s body." freewebnoveℓ.com
Upon hearing this conclusion, Jiang An couldn’t help but feel a slight tremor.
Frowning, he asked in a grave tone, "Is the data on the male deceased’s blood alcohol content accurate?"
"A concentration of 220 far exceeds the conventional threshold."
"Generally speaking, a blood alcohol concentration over 80 qualifies as driving under the influence, and over 120 constitutes drunk driving."
"According to our lab’s clinical data and related research, at a blood alcohol concentration of 220mg/100ml, a person typically enters a state of mild drowsiness or even mental confusion."
"In such a state, it’s almost impossible to maintain balance on a bicycle, let alone drive a motorcycle."
"It can be said that the individual is entirely incapable of safely operating a vehicle at this point."
After listening, Jiang An nodded slowly, his tone growing even heavier, "I see... I understand."
"Thank you all for your hard work."
After hanging up the phone, he faced everyone with a serious expression and said, "The lab just provided an update; the male deceased’s blood alcohol concentration test result is extremely high, at 220 mg per 100 ml."
"220?"
The moment this number was mentioned, the police officers present exchanged looks of astonishment, incredulity in their eyes.
Wan and Qin Feng almost simultaneously turned their gaze towards Jiang An, with Wan speaking first, "Mr. Jiang, that’s quite a high number."
Zhang Yean frowned and responded with a grave tone, "Assuming no toxins were detected in the male deceased’s body, is a blood alcohol concentration of 220 enough to cause death?"
Jiang An also fell silent upon hearing this, his expression solemn.
During the autopsy, no obvious external injuries were found, and even typical signs of mechanical asphyxia were ruled out.
But now the lab report showed such an abnormally high alcohol content — what was the actual cause of death?
Not long ago, everyone speculated that the deceased might have been poisoned and then thrown into the water to stage an accident.
But now the toxicology results were negative, overturning that hypothesis.
Was there a mistake in the examination process?
Or was there a fundamental flaw in our previous investigative direction?
A series of questions flashed through Jiang An’s mind.
He clearly understood that in any case of unnatural death, determining the cause of death is the most basic and critical step.
If the cause of death cannot be clarified, subsequent investigations will lose direction.
At this moment, Zhang Yean asked again, with a tone of rigorous inquiry, "From a medical perspective, can an alcohol concentration of 220 reach the lethal level?"
Jiang An slowly shook his head, his voice calm and clear, "Generally, the lethal concentration of alcohol for adults must reach at least 450, and a level of 220 is usually not enough to be fatal."
"However, it’s important to note that if the deceased had cardiovascular disease, liver dysfunction, or other underlying conditions, this level of alcohol concentration could trigger sudden death."
"We can’t exclude this possibility."
As soon as he finished speaking, Jiang An didn’t pause but slightly raised his voice and continued, "But as of now, our deductions are based solely on conventional experience and general reasoning."
"As for the possibility I just mentioned — sudden death caused by a mix of alcohol and some special disease — given the current evidence chain, it’s not yet our priority consideration."
He paused briefly, his gaze sweeping over everyone present, before speaking in a grave tone, "Although we haven’t identified the exact cause of death yet, one thing can be confirmed."
"With a blood alcohol concentration as high as 220mg/100ml, there’s almost no way the deceased could have maintained conscious awareness, let alone operated a motorcycle on their own."
At this point, Officer Wan stepped forward, frowning, and said, "That makes it even stranger."
"If the female deceased didn’t know how to ride a motorcycle, then how did it end up in the river?"
"Could it really have been pushed in by someone?"
Jiang An nodded slightly, explaining in a calm tone, "From the scene investigation, such a possibility is very low."
"I carefully checked the tire tracks left by the motorcycle; they were continuous and smooth, the speed was clearly not slow, and there were no obvious signs of hesitation, pause, or repeated rolling."
"More importantly, there are no human trampling marks in the grass beside the tire tracks before entering the water."
"Therefore, we can basically determine that the motorcycle, bearing a certain weight, drove straight into the water at a considerable speed."
