This is Roper bringing you a complete 100% walkthrough of Hitman: Absolution. This video will get you the following challenges in level 11, Dexter Industries:

Chameleon
Evidence Collector
Infiltrator
Suit Only 
Sore Loser 
Cliffhanger 
New Toys
Seal the Deal
Packing Heat
Infiltration
Under the Bridge Part 1
Under the Bridge Part 2
Under the Bridge Part 3