A US sniper team, consisting of Staff Sergeant Shane Matthews and Sergeant Isaac, is sent to Iraq to investigate an attack on a pipeline construction site where several engineers and security personnel were killed. They are ambushed by an enemy sniper, who has been trained by the US and has turned against them. Isaac is injured and Matthews is killed. Despite being wounded, Isaac manages to outsmart the sniper and kill him. However, just as he thinks he has succeeded, another helicopter is shot down by the same sniper, who has faked his own death. The story ends with the sniper ready to lure more American soldiers into a trap and kill them.
Here are the key facts extracted from the text:
1. Sergeant Isaac and Staff Sergeant Shane Matthews are on a mission in Iraq.
2. They are trying to find an enemy sniper who has killed a group of engineers and security personnel.
3. The sniper has also killed a group of special forces soldiers who were sent to help.
4. Matthews is skeptical that the sniper is still in the area, but Isaac believes he is.
5. Isaac has a personal reason for wanting to catch the sniper: he accidentally shot his own partner on a previous mission.
6. Matthews is wounded by the sniper and left for dead.
7. Isaac tries to communicate with the sniper, who is using a walkie-talkie to taunt him.
8. The sniper claims to be a former ordinary person who was driven to fight against the US after they invaded his country.
9. Isaac tries to determine the sniper's location by analyzing the sounds he hears on the walkie-talkie.
10. Isaac discovers that the sniper is using NATO bullets, indicating that he was trained by Western forces.
11. Isaac creates a decoy to distract the sniper and tries to sneak up on him.
12. The sniper sees through the decoy and shoots at Isaac, but misses.
13. Matthews, who was thought to be dead, wakes up and tries to help Isaac.
14. The sniper kills Matthews, and Isaac is left alone.
15. Isaac is able to repair his radio and calls for help, but the sniper intercepts the call and pretends to be an American soldier.
16. The sniper tries to lure more American soldiers into a trap, but Isaac is able to warn them.
17. Isaac kills the sniper and is rescued by a helicopter.
18. However, the sniper is not alone, and another sniper shoots down the helicopter, killing more American soldiers.
19. The second sniper pretends to be an American soldier and calls for more reinforcements, intending to lure them into another trap.