Man charged of killing 'most lethal' American sniper

Former Navy Seals Sniper Chris Kyle, is pictured in this handout photo from Harper Collins. Kyle, the former US Navy SEAL sniper who was responsible for 160 kills during his career as US Navy SEAL sniper, was shot and killed with another man at a gun range on Feb 2, 2013, the co-author of Kyle's book said. [Photo/Agencies]