Why might Koss management have placed so much trust in Sachdeva, along with providing only minimal supervision and monitoring?

What was Grant Thornton$$s obligation to uncover the fraud?

Why should Sachdeva$$s lavish lifestyle have raised suspicions? Why might it have been ignored or explained away by her professional colleagues?

How could the other members of management, the audit committee, and the auditors have been more professionally skeptical in this situation?

What was the audit committee$$s responsibility in noticing that something looked amiss in the financial statements?

Sachdeva paid for her purchases using corporate credit cards. What internal controls could the company have used to prevent inappropriate use of the credit cards?

Some reports have described Sachdeva as having a very dominating personality, and revelations were made about the fact that she would often be verbally abusive to her subordinates in front of top$-$level managers at Koss. How should the managers have responded to this behavior? What actions could the subordinates have taken to respond to this behavior? Why might this behavior be a red flag indicating a heightened risk of fraud?