Office of Professional Responsibility (OPR) The ICE Office of Professional Responsibility (OPR) upholds the agency’s standards for integrity and professionalism. As a key part of that responsibility, OPR investigates allegations of misconduct involving employees of ICE and U.S. Customs and Border Protection (CBP). Allegations of misconduct that, if true, would jeopardize or undermine the agency’s ability to perform its mission.