. "shot by the Joker" . . . "Barbara Gordon was shot in the spine" . "''The Killing Joke''" . . . . . "crippling" . . . . . . . . . "heal her spine" . "seriously injured" . "one-shot graphic novel of the same name" . "crippling assault" . . . "he did the same thing to Gordon's daughter Barbara" . . "an ambush by the Joker" . . "the Red Hood robbers at a chemical plant" . . . "eponymous graphic novel" . "graphic novel of the same name" . . . . . . . . . "Batman: The Killing Joke" . . . "''Batman:'' ''The Killing Joke''" . "night the Joker shot her" . . . . . . . . . "one bad day" . "shoots and cripples Barbara Gordon" . "Batman: The Killing Joke" . . . . "The Killing Joke" . "paralysis" . . "earlier trauma" . "crippling of Barbara Gordon" . .