"Plausible Deniability - credible ability to deny a fact or allegation, or to deny previous knowledge of a fact." - Wikipedia
Other questions that are screaming for a response are:
Did the acts happen under your watch as leader?
Who takes ownership of the problem?
Who should be held accountable?
Have you, as the leader, placed unreasonable demands on your team for results?
Have you ever literally or otherwise said “I don’t care how you get it done, just do it!”?
What processes do you have in place to ensure that legal, ethical and moral standards are followed?
What checks and balances are in place to prevent the likelihood of such acts recurring?
The level 5 leader looks in the mirror and accepts responsibility when things go wrong. What kind of leader are you?