Visible crew/equipment: During the scene when Sgt. James is removing the IED from the body cavity of the young boy there is a person standing in the background behind the plastic sheeting.
Visible crew/equipment: When SSG William James and Sgt. JT Sanborn are sniping, Spc. Owen Eldridge is cleaning the bullets from the blood. When he passes them on, he leans his head back and you can see a tent and four or five crew members and the camera. (00:58:00)
Visible crew/equipment: When SFC William James goes through the plastic sheeting to see a dead body on the table, you can see an ungloved, crew member's hand open the entrance for him. (01:20:40)
Visible crew/equipment: When the "family man" suicide bomber is asked to kneel down you can see knee-pads under his pants when he is going down. (01:51:40)
Visible crew/equipment: When James is walking in his EOD suit, a crew member and camera can be seen in the reflection of the top of his helmet. (02:05:30)
Visible crew/equipment: When radioing for confirmation, a crew member is reflected in the black guy's glasses. (00:13:50)
Visible crew/equipment: When the Humvee stops and the guys get out, there is no-one around on the street. The one guy then says "where are the guys who called it in?" when he does, there is a reflection of 2 pairs of legs in his glasses. But no-one was there before or after. (00:13:20)
Visible crew/equipment: When the Humvee is stuck in traffic we see a bottle of water thrown at the car. We then get a look in the car and reflected in the window is a boom mic. (00:12:35)
Answer: The problem for the sniper was once he'd taken his shot, he was now pretty exposed. He didn't have a lot of cover and it wouldn't have taken the Americans long to figure out where the shot came from, hence why the enemy snipers made no attempt to move.
GalahadFairlight