By then, Routh had taken off in Kyle's black Ford pickup, stopping first at his sister's house about 70 miles away in Midlothian. There, he told his sister and brother-in-law what he had done, telling them he had "traded his soul for a truck," the arrest warrant said.
He set off again.
Police finally caught up with Routh near his home in Lancaster, about 15 miles south of Dallas, around 8 p.m. Saturday. Despite a swarm of law enforcement, he managed to speed off in the truck -- but after spiking his tires, authorities were able to detain him without a scuffle by 9 p.m., Bryant said.
The story got intense, widespread attention in large part due to the victims, especially Kyle.
While serving as a sniper in Iraq, the Navy SEAL wrote he personally had 160 confirmed kills from a distance of up to 2,100 feet -- more than any other U.S. serviceman, in any conflict. This helped led Iraqi insurgents to nickname the 6-foot-2, 220-pound Texan "the devil" and put a bounty on his head, he said.
In interviews promoting his book, Kyle offered no regrets,
"I had to do it to protect the Marines," he told Time magazine a year ago. "You want to lose your own guys, or would you rather take one of them out?"
After his retirement from a decade's service in the Navy, Kyle became a businessman, a reality TV personalty, a supporter of fellow vets, an avid hunter and an outspoken opponent of gun control. He leaves behind a wife and two children.
His new ventures included joining other former SEALs in starting Craft International, a security company with the motto "Despite what your momma told you, violence does solve problems."
He also helped established the FITCO Cares foundation, a charity that helps U.S. war vets "who have survived combat but are still fighting to survive post-traumatic stress disorder," the group's website said.
Thousands pledged to toast him and Littlefield on Monday night, and hundreds expressed condolences on Kyle's Facebook fan page.
"Chris, thank you for your service; not only to the country you loved, but also to your fellow warriors that needed a helping hand," one woman wrote. "Rest in peace brave hero, patriot and warrior. You are missed."
The Facebook page also included a tribute to Littlefield, who the page's administrator wrote "felt deeply about the values of family, compassion, friendship and loyalty, and was equally as passionate about his love of God and country."
"Chad, thank you for your love for your country, the dedication to your country and your love for life," a woman said. "God has brought another angel home."