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Chapter 256 Accident
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Chapter 258 Doubtful
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... e toxicity of cyanide is extremely strong, and the onset time is very fast. After taking the cyanide, he died within a few seconds to 5 minutes.
According to the description of two workers, the deceased had been working on the roof for some time, far more than five minutes, so the roof is likely to be the scene of the first crime.
After being poisoned on the roof, the deceased fell into a coma, died, and fell from the roof to the ground within a very short period of time.
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