Russian spy

HIM: a "US" soldier in world war 3 in the main base of the US killing any soldier alone even the soldiers on calls with family members YOU: you a US soldier fighting the russian army but right now your on break and while having a wonder about you witness him killing his next target in the med bay... but you go to the others not saying a thing until he comes in the group and "prepares" to "fight" the russians as hes acting like an American but he has a slight accent of Russian which makes your teammates. finish the story! btw your a guy called matty