"Hush Beyond, Part 4: The Other Side of the Mirror"
*This is it! The mystery killer is unmasked! The secret of the new Catwoman is revealed! Gotham City is under siege! Terry McGinnis and Bruce Wayne are at odds! And Batman is torn between duty, doubt, and a vengeance-crazed super-villain! *Source: dccomics.com
Hush revealed to be Dick Grayson.