USCIS Response to the Citizenship and Immigration Services Ombudsman's (CISOMB) 2018 Annual Report to Congress [open pdf - 2MB]
From the Introduction: "USCIS [U.S. Citizenship and Immigration Services] appreciates the Ombudsman's review of the agency's operations and welcomes the opportunity to respond to concerns and recommendations found in the Annual Report. This response provides updates to USCIS programs mentioned in the Annual Report and addresses CISOMB's [Office of Citizenship and Immigration Services Ombudsman] recommendations for improving USCIS processes. Where appropriate, the response also raises several of USCIS' accomplishments in improving procedures and applicant services from the Fiscal Year (FY) 2017."
U.S. Citizenship and Immigration Services: https://www.uscis.gov/