Anthony Bernal is the second person Biden staffer to assert their Fifth Amendment right to the GOP-led House Oversight Committee.

A former senior aide to Jill Biden on Wednesday became the second person to invoke the Fifth Amendment and decline to answer questions from House Republicans who are investigating President Joe Biden’s mental state and use of the autopen while in office.

As the GOP probe into Biden’s mental acuity and use of an autopen expands, a growing number of his top aides are being swept up in a thorny legal predicament.