IGN’s Guide to sneaking your way through Dishonored: Death of the Outsider non lethally in Low Chaos. Continuing in Mission 3, Billie head to the entrance to the Dolores Michaels’ Bank and finds every route inside.
For more guide help, check out the Dishonored 2 Wiki at http://www.ign.com/wikis/dishonored-death-of-the-outsider