>> allahu akbar! >> takbir! >> allahu akbar! (chanting) >> narrator: one of the islamists, sheikh abdul rahman, showed us the streets in salahuddin that his fighters had managed to reoccupy. (tires squealing) he said a few days earlier, the syrian army had destroyed this apartment complex. his men hadn't been able to rescue the civilians trapped alive in the rubble. one of the sheikh's lieutenants led us to another front line in the battle. >> what was a popular uprising, activists, demonstration, calling for freedom, democracy, is now a vicious war. the quagmire of the syrian revolution is portrayed in the streets of aleppo. >> narrator: the body of a local imam lay just beyond the rebel position. >> narrator: a government sniper had the street in his sights. >> narrator: a fighter tried to rescue the body. >> narrator: eventually, he crawled into danger. the imam's shopping bag was by his side. he had just bought milk for his family. the battle for aleppo remains in the balance. its outcome, and the future shape of the uprisin

." >> allahu akbar!bling and disoriented the libyan leader appears to ask for mercy as he is dragged, punched, and stabbed repeatedly. rebels hold guns to gadhafi's head. >> they call him a dog and an animal, and they're saying his name over and over again. >> eventually, they lay gadhafi on the ground. blood pouring from his head. later photos are released of the former dictator, dead. >> there's no clear answer to exactly who pulled the trigger, but it's obvious it was because people -- they wanted it over. they wanted it finished. >> shelton transfers the footage to her laptop and drives three hours to the nearest internet connection, where she uploads the footage to her editors. soon after, the rest of the world is watching. and reacting. >> the capture and death of colonel moammar gadhafi marked a sudden and unexpected end to the libyan revolution thursday. >> i really did not want them to kill him. i wanted them to put him on trial. i wanted this to end not with revenge but with justice. but a cert