The top lawyer at the U.S. Food and Drug Administration told the judge overseeing the criminal case against Theranos founder Elizabeth Holmes that the case is putting “wholly unprecedented” demands on the agency to fulfill a court order to hand over internal agency documents to the defense team.

Stacy Amin, who serves as chief counsel of the FDA and deputy general counsel of the Department of Health and Human Services, appeared by telephone at a hearing before U.S. District Judge Edward Davila of the Northern District of California on Monday where federal prosecutors were asking the judge to extend a court-ordered deadline for the agency to hand over a trove of requested documents to April 30.