Could you spell out at which points – there are many – it went wrong from a ethical perspective?

Link of the case: https://pdfs.semanticscholar.org/a162/aca2e9ea22cbcf887148159afef25e43fbdb.pdf Read this case (Corporate Governance and Financial Fraud of Wirecard ) carefully and answer to the following question: In the conclusion of this case-study of the Wirecard scandal, the authors state: “Laws and regulations may limit the opportunity to commit fraud but ultimately, they cannot completely control the behavior from fraudulent management. The importance of ethical behavior cannot be overemphasized. » Could you spell out at which points – there are many – it went wrong from a ethical perspective?