You may be interested the decision in the COPA vs. Wright case https://www.judiciary.uk/judgments/copa-v-wright/ where Craig Wright falsely claimed to be Satoshi Nakamoto and forged many kinds of text on computers in order to support his baseless claims, including emails. The COPA's experts, among others, found lots of cases where he slipped up, and the court's decision and its appendix go into a great deal of detail about how those slipups were detected.