Explain the situations that might arise in which internal auditors

Explain the situations that might arise in which internal auditors will require the use of outside forensic accountants. Once a fraud issue has been identified and assessed, explain what is required from an internal auditor to effectively inform higher organisational structures or individuals (audit committee, board, CFO, etc.) of the fraud situation.A typical answer should have about 500 words. Excellent answers will be able to raise appropriate critical questions and include examples from real world. Two references from outside literature should be made.