American Sniper murder trial

1. American Sniper murder trial

2. Eddie Ray Routh, 27, walks into court for a pretrial motion hearing in Stephenville, Texas February 10, 2015. Routh was sentenced to life in prison without the possibility of parole after a Texas jury found him guilty of murdering Chris Kyle and Kyle's friend, Chad Littlefield, multiple times at a gun range about 70 miles southwest of Fort Worth in February 2013. REUTERS/LM Otero/Pool

3. An image of Chris Kyle hiding Easter eggs on Easter Day is shown on a monitor in the courtroom in Stephenville, Texas, February 11, 2015. REUTERS/Tom Fox/The Dallas Morning News/Pool via Reuters

4. Texas Ranger Michael Adcock holds a .308 caliber rifle with the lettering 'American Sniper' etched on the side as he answers questions from defense attorney R. Shay Isham (not seen) during the capital murder trial of former Marine Cpl. Eddie Ray Routh at the Erath County, Donald R. Jones Justice Center in Stephenville, Texas February 17, 2015. REUTERS/Mike Stone

5. Taya Kyle, wife of Chris Kyle, wipes away tears when viewing images of her husband during her testimony on the witness stand during the opening day of the trial in Stephenville, Texas February 11, 2015. REUTERS/Tom Fox/Pool

6. Assistant Attorney General, Texas Attorney General's Office Jane Starnes speaks during her closing arguments of the trial in Stephenville, Texas February 24, 2015. REUTERS/Michael Ainsworth/Pool

7. Forensic evidence of Chad Littlefield's injuries is presented in Stephenville, Texas February 24, 2015. REUTERS/Michael Ainsworth/Pool

8. State District Judge Jason Cashon listens to arguments about admissible crime scene photos from Erath County District Attorney Alan Nash (R) and court appointed defense attorney R. Shay Isham in Stephenville, Texas February 12, 2015. REUTERS/Tom Fox/Pool

9. Taya Kyle, wife of Chris Kyle, gives a wink to Judy Littlefield, mother of Chad Littlefield (R), after her testimony in Stephenville, Texas, February 11, 2015. REUTERS/Tom Fox/The Dallas Morning News/Pool via Reuters

10. Former Marine Cpl. Eddie Ray Routh is seen in a dash cam video sitting in the police car he was detained in on the night he was arrested, during his trial in Stephenville, Texas February 17, 2015. REUTERS/Mike Stone

11. Jodi Routh, mother of Eddie Ray Routh, looks down after answering a question during the trial in Stephenville, Texas February 17, 2015. REUTERS/Mike Stone

12. Texas Ranger Michael Adcock holds a shell casing from the crime scene as he testifies during the second day of trial in Stephenville, Texas February 12, 2015. REUTERS/Tom Fox/Pool

13. Texas Ranger David Armstrong holds up evidence seized at former Marine Cpl. Eddie Ray Routh's house during trial in Stephenville, Texas, February 13, 2015. REUTERS/Paul Moseley/ Pool

14. Taya Kyle, wife of Chris Kyle, receives a hug following her testimony in Stephenville, Texas February 11, 2015. REUTERS/Tom Fox/Pool

15. Defense attorney R. Shay Isham glances towards the back of the courtroom as he sits next to former Marine Cpl. Eddie Ray Routh in Stephenville, Texas February 17, 2015. REUTERS/Mike Stone

16. Prosecutors play the tape of the police interview with former Marine Cpl. Eddie Ray Routh at his capital murder trial in Stephenville, Texas, February 16, 2015. REUTERS/Rodger Mallison/Pool

17. Crime scene photos of the gun range at the Rough Creek Lodge and Resort are shown on television monitors in the courtroom in Stephenville, Texas, February 11, 2015. REUTERS/Tom Fox/The Dallas Morning News/Pool

18. A sign marks the entrance to a shooting complex at the Rough Creek Lodge where the shooting occurred, near Glen Rose, Texas February 5, 2015. REUTERS/Mike Stone

19. Taya Kyle, wife of Chris Kyle, leaves the courtroom during a break in the trial in Stephenville, Texas February 18, 2015. REUTERS/Mike Stone

20. Erath County District Attorney Alan Nash carries a photo of former Marine Cpl. Eddie Ray Routh handcuffed in the back of a Lancaster Police car the night of his arrest during his trial in Stephenville, Texas, February 13, 2015. REUTERS/Paul Moseley/Pool

21. A forensics dummy is brought into the courtroom during the trial in Stephenville, Texas February 24, 2015. REUTERS/Michael Ainsworth/Pool

22. Erath County Sheriff Sgt. Greg Stewart, an evidence technician, enters the courtroom carrying five assault rifles found at the murder scene in Stephenville, Texas February 17, 2015. REUTERS/Mike Stone

23. James Jeffress, a Department of Public Safety forensic scientist specializing in ballistics, holds one of two semi-automatic pistols that matched bullet fragments taken from the bodies of Chris Kyle and Chad Littlefield in Stephenville, Texas, February 13, 2015. REUTERS/Paul Moseley/Pool

24. Texas Ranger David Armstrong holds a bong, part of the evidence seized at former Marine Cpl. Eddie Ray Routh's house during the trial in Stephenville, Texas, February 13, 2015. REUTERS/Paul Moseley/ Pool

25. Texas DPS forensic scientist Jennifer Rumppe removes a box containing drug paraphernalia obtained from the home of former Marine Cpl. Eddie Ray Routh during his trial in Stephenville, Texas February 17, 2015. REUTERS/Mike Stone

26. Taya Kyle, wife of Chris Kyle, attends the second day of trial in Stephenville, Texas, February 12, 2015. REUTERS/Tom Fox/Pool

27. Former Marine Cpl. Eddie Ray Routh enters the courtroom following a break in his trial in Stephenville, Texas February 17, 2015. REUTERS/Mike Stone

28. Judy Littlefield, mother of Chad Littlefield, receives a hug from Taya Kyle, after Kyle's testimony in Stephenville, Texas, February 11, 2015. REUTERS/Tom Fox/The Dallas Morning News/Pool via Reuters

29. The grave of Chris Kyle is seen at the Texas State Cemetery in Austin, Texas February 10, 2015. REUTERS/Jon Herskovitz