Rubuta ci gaba don wannan sakin layi - Girma a Texas, Chris Kyle ya koya wa mahaifinsa yadda za a harba bindiga da farautar deer. Shekaru daga baya, Kyle ya zama ranch hand da rodeo cowboy, kuma ya dawo gida da wuri, don samun budurwarsa a gado tare da wani mutum. Bayan ya gaya mata ta tafi, yana yin tunani tare da ɗan'uwansa lokacin da ya ga labaran labarai game da fashewar bama-baman ofishin jakadancin Amurka na 1998
kuma ya yanke shawarar shiga rundunar sojan ruwa. Ya cancanci samun koyarwa ta musamman kuma ya zama maharbi na musamman a rundunar SEAL ta Amurka.