What is an audit and how does it differ from an investigation?
An audit is a review and analysis of processes, procedures, systems, activities or financial statements to report weaknesses in internal controls and other adverse conditions which constitute a risk to the integrity of Metro operations and its resources. Audits result in audit reports, which describe the auditors’ findings and recommend systemic changes for management officials to consider and correct. Management is asked to provide a corrective action plan. Audits are done in accordance with Government Auditing Standards (commonly known as the “Yellow Book”). OIG posts most of its audit reports on this website. An investigation is an inquiry to determine the facts of an allegation or suspicion of wrongdoing or misconduct by individuals or groups of individuals. An investigation may also find issues with systems or processes as a by-product of looking into the allegation. An investigation may result in a report to a prosecutor or to management setting out the facts found, the evidence