Deputy said he heard Chris Kyle say he killed the men because they would n't talk to him . Routh 's uncle said he and Routh smoked Texas on February 2 , 2013 of the slayings . Routh left the house abruptly , apparently because Kyle had arrived to take him to the firing range , Watson said . Chad Littlefield , whose story was told in `` American Sniper , '' and Routh were shot to death on February 2 , 2013 .
Deputy said he heard Chris Kyle say he killed the men because they would n't talk to him . Routh 's uncle said he and Routh smoked Texas on February 2 , 2013 of the slayings . Chad Littlefield , whose story was told in `` American Sniper , '' and Routh were shot to death on February 2 , 2013 .