; (II) to develop and use tools and processes to detect and prevent misuse of the system by employers and employees; (III) to develop tools and processes to detect anomalies in the use of the system that may indicate potential fraud or misuse of the system; and (IV) to audit documents and information submitted by employees to employers, including authority to conduct interviews with employers and employees, and obtain information concerning employment from the employer; (vii) to confirm identity and employment authorization through verification and comparison of records as determined necessary by the Secretary; (viii) to confirm electronically the issuance of the employment authorization or identity document and— (I) if such photograph is available, to display the digital photograph that the issuer placed on the document so that the employer can compare the photograph displayed to the photograph on the document presented by the employee; or (II) if a photograph is not available from the issuer, to confirm the authenticity of the document using such alternative procedures as the Secretary may specify