Authors Guofo Zhou and Yingzi Zu use some complex math based on the random-walk theory to show that the odds of watching half your liquid net worth evaporate are roughly similar to those of another major life event: death.

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Mr Restivo also denied he knew that the liquid he put in his bath to clean his trainers, which police found at his flat five days after the death, was bleach.

BBC: Danilo Restivo