The partial government shutdown that went into effect Saturday is throwing the fate of oversight at the Department of Homeland Security into peril, with the department’s independent watchdog warning a lapse in funding could jeopardize several ongoing investigations.

DHS’s inspector general currently has eight active probes into the Trump administration’s nationwide immigration crackdown, including reviews of the use of facial recognition and allegations of Immigration and Customs Enforcement agents using excessive force.

But with a lapse in funding for DHS, the Office of the Inspector General has been forced to suspend approximately 85 percent of its audits, evaluations and inspections,