This is Roper bringing you a complete 100% walkthrough of Hitman: Absolution. This video will get you the following challenges in level 14, Fight Night:

Chameleon
Evidence Collector
Infiltrator
Suit Only
Intervene
Black Widower
Electro Cute
Skirt Chaser
Scarecrow
A Calm Before the Storm
Angel of Death Part 1 
Angel of Death Part 2 
Angel of Death Part 3