Clearly, the corporate culture at Siemens, at least in the last few decades, did not distinguish among

Question:

Clearly, the corporate culture at Siemens, at least in the last few decades, did not distinguish among actions that were both ethical and legal, actions that were unethical but perhaps legal, and actions that were both unethical and illegal. What could have top management at that company have done to instill a different corporate culture that would have resulted in a different outcome?