Secret History of the Authority: Hawksmoor #4

There's a maniac from the 70th century piloting a giant robot from another universe, and Jack has been cut off from his powers. This is gonna be ugly. Plus, a dark secret finally answers the question: Whatever happened to Jack's family?

Image: Secret History of the Authority: Hawksmoor #4 - DC Comics

Secret History of the Authority: Hawksmoor #4