Did Kate's mom really not notice the fresh wounds her daughter had or was she deliberately being oblivious? On the other hand, I think Jack knows she was the one in the costume.
I think it pretty much has to be to explain her being an expert archer, fencer, etc. at 22. Those are pretty expensive hobbies to have, especially if you're getting all that training in your teenage years. Then throw in how she's going to use the resources of her mom's security company and this doesn't work if Kate's a scrappy middle class kid.
And I've got to say that the show has a very interesting t