Batman Gotham Knights #68 (2000)

Written by A.J. Lieberman
Art by Al Barrionuevo & Bit
Cover by Cliff Chiang
While a prisoner of Hush, Alfred discovered that the villain wasn't Tommy Elliot after all - but Alfred suffered partial amnesia, silencing the truth. Now Alfred recalls the shocking events of that night, but Hush comes to an even greater revelation!