The widow of US Navy SEAL Chris Kyle has revealed the painful moment she first broke the news to their two children that their father had been murdered. Taya Kyle told ABC's Robin Roberts she gathered her son, Colton and daughter, McKenna and prepared to tell them. 'I remembered just closing my eyes, the tears rolling down and me just trying to breathe,' said Kyle. Reveal: Taya Kyle had to do everything she could from falling apart in front of her kids when she explained to them their father had been killed . Recovery: Taya has given an interview to 20/20s Robin Roberts about her life since Eddie Ray Routh was convicted of killing her husband, American Sniper, Chris Kyle . Taya, 40, was speaking to Roberts for a special edition of ABC News' 20/20 which will air on Friday, May 1 and will catch up with the widow of Kyle, whose story is portrayed in the blockbuster movie, American Sniper. It will be the first in-depth interview that Kyle has given since former Marine Eddie Ray Routh was found guilty of capital murder on February 24 for shooting dead Chris Kyle and his friend, Chad Littlefield. He was automatically handed a life sentence without the possibility of parole and Taya Kyle broke down in tears on the stand when she gave evidence on the first day of the trial. During the course of their interview, Kyle jokes with Roberts that she never thought she would marry 'a cowboy' but was 'excited' by falling in love with him. 'I never probably thought a cowboy would want me,' she said. 'And I said I would never marry somebody -- a SEAL either. So… 'there you go with your plans again,' right?' Family: Chris Kyle (pictured unshaven) proudly poses with his son, Colton and daughter, Mckenna and wife Taya after leaving active service  in around 2012 . Taxing and emotional testimony: Taya Kyle wipes the tears from her eyes as she gives evidence from the stand during the trial of Chris Kyle's killer, Eddie Ray Routh in February . Eddie Ray Routh pleaded not guilty to killing Chris Kyle and said that he shot him and his friend Chad Littlefield dead because he was suffering PTSD. The jury decided he was guilty of murder and knew what he was doing . Taya has also written a new book, 'American Wife: A Memoir of Love, War, Faith and Renewal' which will go into detail about her marriage and the aftermath of Chris's death. The book is released on May 4 and Taya hopes it will draw a line under her recent events. In March, Taya published a heartbreaking letter to mark their 13th wedding anniversary. Taya Kyle pledged to love her late husband 'all the days of my life' in the touching tribute in which she described the moment her future husband gave her two dozen roses during one of their first dates. Kyle, who was the subject of last year's Clint Eastwood-directed movie American Sniper, was gunned down by fellow war veteran Eddie Ray Routh at a shooting range in Rough Creek, Texas, on February 2, 2013. Taya Kyle was the first witnesses called during the trial. The judge also allowed her to attend the public gallery afterwards to watch the trial . American Sniper: Eddie Ray Routh shot Chris Kyle dead in February of 2013. In February of 2015 he was found guilty for the death of the war hero . That day, Kyle had offered to help Routh deal with his post traumatic stress disorder but was instead shot dead along with his friend Chad Littlefield. Now, in the wake of a turbulent year that involved her husband's killer's trial and an appearance at the Academy Awards for the film made in his name, Mrs Kyle has written of her enduring love for her husband. Posted on Facebook in March, her letter said: 'I feel you in my heart and soul so strongly. I am more blessed to have been your wife than anything else in my life. 'Today, I am thinking of our new relationship, when you rented a boutique hotel room in San Diego and surprised me with two dozen long stem pink roses when we arrived. You got us tickets to a local improv type play. I knew then I was the luckiest girl in the world to be with tough, romantic, loving you. 'Today, I have a choice. I can bury myself under the covers and acknowledge the pain of missing you and mourn the future anniversaries without you. Or, I can celebrate never having a day without you in my heart because you loved me enough to leave me a lifetime of memories and beauty. 'I am somewhere in between today. I loved you yesterday, I love you know, and I will love you all the days of my life.' Kyle was considered the deadliest sniper in American history, with his kill count thought to number about 160 confirmed, with many more probable kills.
Taya Kyle, 40 remembers crying as she told her young son and daughter .
Reveals the difficult moment for new upcoming ABC 20/20 show .
Navy SEAL Chris Kyle was shot dead in February 2013 by Eddie Ray Routh .
Routh was convicted of murder and sentenced to life without parole in February .
Taya Kyle will release new book in May called, 'American Wife: A Memoir of Love, War, Faith and Renewal'