Audit and forensic services Many corporations and government entities have an internal auditing function and a separate fraud investigation function either as a subunit of internal auditing or security or as a separate unit within the organization. In addition, many accounting and consulting firms have a forensic, investigation, and litigation support service. 1. In this discussion, you are encouraged to explore the roles and relationship of audit and forensic service, within an organization as well as within a professional service firm. Search for examples in industry and professional services firms through reviews of Web sites and the literature. 2. Discuss the type roles of audit and investigation in both the organization and professional services firms you identified. Explain the advantages and disadvantages of combing audit and investigation services