Really nice example of forensic statistics here: ▻https://datacolada.org/98
“A team of anonymous researchers downloaded [the data], and discovered that this field experiment suffers from a much bigger problem than a randomization failure: There is very strong evidence that the data were fabricated.”
They even found evidence in the fonts used in the Excel sheet!
(via ▻https://statmodeling.stat.columbia.edu, which has a bit more context)