Which documents would help a forensic auditor identify instances of collusion between an employee and vendor to defraud the organization?

According to IIA guidance, which of the following actions best demonstrates due professional care by an internal auditor when she discovers a number of fraud-related red flags during an audit engagement?

Which type of engagement requires that the client agrees with the techniques used by the internal audit activity?

An organization sells products through distributors. The organization's chief audit executive insists that the organization's code of conduct be applicable to their distributors as well. Which of the following risks would this mitigate?

An internal auditor discovered fraud while performing an audit of an organization's procurement process.
Which of the following describes the greatest benefit of using forensic auditing techniques in this scenario?