Battlefield 3 is back with the next installment of the "Fault Line" episode series showing you actual gameplay from DICE's upcoming shooter. When we last visited our squad, they were ambushed during a routine patrol, and all hell broke loose. A sniper has felled one of their comrades. Now it's up to them to find out where he is, and to eliminate the .50 caliber threat. Find out what their response is in this explosive new video.