Rosenberger resigned in April amid reports the bureau is investigating his activities with lobbyists. The FBI is said to be looking into Rosenberger's international travel with payday lending lobbyists and his lavish lifestyle, including living in a luxury condo owned by a GOP donor. Rosenberger has denied wrongdoing. The FBI investigation has clouded replacement efforts. Speaker Pro Tem Kirk Schuring canceled sessions for the remainder of this week due to an impasse on selecting Rosenberger's successor.