The shooting death of former Navy SEAL Chris Kyle, an advocate for veterans' mental health, has pushed the problem of post-traumatic stress disorder among American troops to the fore. Kyle, who was known as America's deadliest sniper, was killed

The shooting death of former Navy SEAL Chris Kyle, an advocate for veterans' mental health, has pushed the problem of post-traumatic stress disorder among American troops to the fore. Kyle, who was known as America's deadliest sniper, was killed

Chris Kyle; •; Sarai Sierra; •; Super Bowl 2013 · ABC · ESPN · Home · U.S. · World · Politics · Video · Investigative · Health · Entertainment · Money · Tech · Travel. Most Popular Video. Former Navy Seal Sniper Murdered on Punxsutawney Phil's

(CNN) — Chris Kyle had no regrets about any of the 160 people he killed as a Navy SEAL sniper during his five combat tours in Iraq. His first kill was a woman who cradled a toddler with one hand and held a grenade in the other. "I had to do it to

Considered by many to be the deadliest sniper in U.S. history, legendary Navy SEAL sniper Chris Kyle recorded 255 kills, 160 officially confirmed by the Pentagon, and served four tours of duty in Iraq. That's where he