night filled with bold new details about america's two secret missions this weekend. Daring warriors, the delta team and navy s.E.A.L. Team six took the fight against terror straight to the enemy.... See More
night filled with bold new details about america's two secret missions this weekend. Daring warriors, the delta team and navy s.E.A.L. Team six took the fight against terror straight to the enemy. Here's the map. One, a surprise raid in libya, the other a raid by night in somalia. Now a major al qaeda figure is captive and abc's chief investigative correspondent brian ross is here with this new captor on the war. Reporter: Groups threatened revenge, posting messages for american citizens to be kidnapped all in the wake of those two bold raid, one more successful than the other. IT'S WHAT THE NAVY S.E.A.L.s Train for, the same navy sooem team six that killed osama bin laden came out of the water this weekend to hit a terror strong hold in smol ma. UNDER HEAVY FIRE THE S.E.A.L.s Were in trouble. A terror leader saying they feared civilian casualties. The commander on the ground made the right decision to withdraw forces. Reporter: A delta force team moved into place in tripoli libya in broad daylight and captured one of the fbi's most wanted terrorists. 49-year-old abu anas al libi. This is highly risky but highly effective. Reporter: The operation was carried out after months of surveillance with military precision and great surprise as the wanted terrorists recounted to abc news, pointing to his father's car. One broken car window not a shot fired. Textbook to move, his car shows up and pull him out of there without any casualties or any of our own casualties is the art. Reporter: Tonight they're being interrogated on the intelligence gold mine if he talks. He's one of the founder fathers of al qaeda. Under indictment for the 1998 deadly bombing of two u.S. Embassies that killed 224 people. And an al qaeda computer and communications expert. With libi's capture, 12 of the 22 top terrorists identified by the u.S. After the 9/11 attacks have been killed or captured. Of course that means ten are still at large. They're entire gating libi. What's the big secret. Does he know where top al qaeda leaders are hiding right now and was he involved in any way or know anything about the attack on the benghazi u.S. Consulate last year. Thank you, brian ross.
This transcript has been automatically generated and may not be 100% accurate.