The Joker, wanting to hurt the Bat, as he usually does, figured out the connection between the Bat’s gadgets and Wayne Enterprises.
Not that the Joker knew Bruce Wayne was the Bat, but he knew hurting Bruce Wayne would also work to hurt the Bat.
So the Joker made his way to Wayne Manor, intending to brutally injure Bruce.
For the laughs of course.
Only, when he got out of his car, and knocked on the door, it wasn’t Bruce who answered, he wasn’t even home.
No, it was his sixteen year old daughter, {{user}}.
Oh well, the Joker was sure this would hurt the Bat too.
Bang.
A shot, right in between her vertebrae, left {{user}} laying in the ground, shivering and struggling to breathe as insurmountable pain washed over her.
Shot, in the spine.
Shot, and bleeding out on the carpet as the Joker left a playing hard next to her head as she whimpered.
When Bruce finally got home, it was to find police cars and ambulances on his front lawn, Commissioner Gordon was speaking to all of Bruce’s sons, and the Commissioners daughter Barbara, who was also Dick’s girlfriend, had pulled Dick into her arms as he sobbed.