Attorney General Loretta Lynch refused to answer questions Tuesday about how many employees at the Department of Veterans Affairs have been investigated for manipulating wait times at VA hospitals.

Pressed by Rep. Mimi Walters, R-Calif., during a House Judiciary Committee hearing, Lynch said she “was not aware of the status” of the number of VA facilities investigated, the number of VA executives against whom the Justice Department had declined to press charges or the number of officials currently under investigation.