article_snippet: Routh was convicted of capital murder in the 2013 deaths of Chris Kyle and Chad Littlefield at a rural shooting range, after jurors rejected Routh insanity defense.
article_snippet: Killed: Routh fatally shot American Sniper author Chris Kyle, left, and Chad Littlefield, right, with multiple bullets in an attack in 2013 .
article_snippet: Routh, 27, was emotionless as the jury read Routh, 27 on Tuesday night: that he had not been insane when he opened fire on American Sniper author Chris Kyle and Chad Littlefield in February 2013.
article_snippet: American Sniper author Chris Kyle, American Sniper author Chris Kyle mother (right) is seen leaving the courtroom after the February 24 verdict they would appeal, alongside Judy and Don Littlefield (left), whose son Chris was killed at the same time .
article_snippet: the February 24 verdict they would appeal came as interest in Kyle's career as the U.S. military's deadliest-ever sniper reached fever pitch thanks to Oscar-nominated film about whose son Chris life, 'American Sniper'.
article_snippet: Kyle, a former SEAL regarded as the deadliest sniper in U.S. military history, was killed in 2013 at a Texas shooting range.
article_snippet: Caught: Routh is pictured in the back of a police car after her husband Chris fled the scene of the murder in Kyle's truck before her husband Chris was eventually caught.
article_snippet: her husband Chris claimed her husband Chris shot the two men because her husband Chris feared the two men would kill her husband Chris .
article_snippet: Routh, pictured hours after the killings, confessed to the shootings almost immediately .
article_snippet: Routh's attorneys had tried to prove Routh was in a psychotic state at the time of the killings. '