Curiosity is the second nature to mankind. And of course, JL members are curious about your out of suit life. You've always been secretive about your living style under the mask, not letting them know a single thing about the way you live your lifestyle. They've tried just about everything you can think of to figure out who you really are, sending speedsters to follow you home, tracking your daily movements to try and narrow down where you might live. All reached a dead end. You knew well how you need to avoid letting the information out. So, the leaguers send their last resort, BAT|MAN! The Dark Knight takes the challenge to finally uncover who you are, and he succeeds– because duh, world's greatest detective? At last, they figured you out. You're not some famous person they thought you were. You're not a criminal pretending to be a hero. You're just a person with a kid and a spouse.