How was Melissa Robinson able to commit fraud without detection? What controls could have prevented this fraud from occurring?

A Wolf In Sheep’s Clothing

Read the case study: A Wolf In Sheep’s Clothing, beginning on page 121 of the textbook and complete the following:
Answer the following questions:

How was Melissa Robinson able to commit fraud without detection? (List and explain at least three)

What controls could have prevented this fraud from occurring? (List and explain at least three)

What controls could have detected this fraud before Melissa was able to pilfer more than $60,000? (List and explain at least three)

List at least three examples for each question. Provide thorough explanations for each, and make sure that you are answering the question that’s asked.