Bioshock 2 Gameplay 2 :: Hunting the Big Sister

This is the second gameplay i've found for this incredible game. I hope you'll enjoy it as the first one
First Gameplay: http://www.youtube.com/watch?v=rElBNACr1CM
Third Gameplay: http://www.youtube.com/watch?v=KiGYv6Rziq8&feature=channel_page