Despite his confession, Eddie Ray Routh has pleaded not guilty by reason of insanity.
Here is a look at key points in the case:
The testimony was the latest of the evidence presented to jurors this week that has shed light on Eddie Ray Routh’s mental state.
The former intelligence analyst is serving 35 years for sending classified documents to the WikiLeaks website.
Prosecutors aren’t seeking the death penalty.
Some of those injured were hospitalized.
Handing Ash Carter the unenviable task of steering the military as the United States confronts Islamic State militants.
Signed legislation intended to reduce a military suicide epidemic that is claiming lives by the day.
It didn’t appear the weapons carried by Kyle and Chad Littlefield were ever removed from their holsters.
Obama says the missions is difficult and will stay that way for some time.
Kyle’s military exploits were depicted in his memoir and the blockbuster based on it.
U.S. intelligence officials say in an updated estimate of a top terrorism concern.
Was killed in an American drone strike on Monday.
Has approved President Barack Obama’s choice of Ashton Carter as the next secretary of defense.
Concerned Kansans back Army ‘listening session’
Fort Riley uphill battle
Fort Riley is one of 30 U.S. Army installations across the country that could face force reductions.
The trial starts amid widespread attention for “American Sniper,” the Oscar-nominated film.
Local business will feel the effect of military personnel reductions from Fort Riley.
Taya Kyle did not attend Monday’s event.
Defense officials deny a decision has been made on charges against Sgt. Bergdahl.
Kansas legislators will also attend.
The Marine Corps says it’s withholding their names for 24 hours to notify relatives.
There were no clear warning signs before a soldier went on a rampage last April that left four dead and 16 wounded
Boasting of having killed thousands of militants.