The Department of Homeland Security’s (DHS) Inspector General declined to investigate photos and videos of Border Patrol agents on horseback turning away Haitian illegal immigrants, in which some falsely said they were “whipping” the illegal aliens. In a statement, DHS said the agency’s inspector general’s office “declined to investigate and referred the matter back to CBP’s Office of Professional Responsibility.” Now, the Office of Professional Responsibility is reviewing the photos and videos, and is interviewing employees, witnesses, and Border Patrol leadership to determine what happened during the Sept. 19 incident in Del Rio, Texas. In the footage, agents were seen blocking Haitian illegal immigrants from trying to enter the United States. “DHS remains committed to conducting a thorough, independent, and objective investigation,” said the agency in its Tuesday statement, without elaborating on why the agency’s inspector general’s office declined to review the incident. “DHS will share information, as available, consistent with …