You have to read the book or listen to the audiobook to find out.
Book:
http://www.amazon.co.uk/Leverage-Mistaken-Nancy-S-Thompson/dp/1499105959/ref=tmm_pap_title_0?ie=UTF8&qid=1421100580&sr=8-1
Kindle:
http://www.amazon.co.uk/Leverage-Mistaken-Book-Nancy-Thompson-ebook/dp/B00JXPIYXS/ref=tmm_kin_swatch_0?_encoding=UTF8&sr=8-1&qid=1421100580
Audiobook:
http://www.amazon.co.uk/Leverage-Mistaken-Book-2-Unabridged/dp/B00RV3OV0E/ref=sr_1_2?ie=UTF8&qid=1421100580&sr=8-2&keywords=leverage+nancy+s+thompson
http://www.cherryhillpublishing.com/Bookstore/358-leverage-book2-of-the-mistaken-series-9781620791752.html
http://www.audible.com/pd/Mysteries-Thrillers/Leverage-Audiobook/B00RUEH34K/ref=a_search_c4_1_3_srTtl?qid=1421100762&sr=1-3