one of moammar gadhafi's son rushed home from the united states when the fighting began going from corporate intern to leader of an infamous army unit. brian todd is here and digging up new details about this son. what are you learning? >> before this fighting broke out the u.s. and libya had been reaching out to each other to improve relations. part of that involved an internship that his son khamis got which now looks awkward. the man in the black beret greeting supporters in libya disproving he was killed in an allied air strike. youngest son of leader moammar gadhafi commands the notorious 32nd brigade known for its brutality. >> this is one of gadhafi's most loyal and active in terms of attacking innocent people. >> reporter: here is another title he held, intern in the united states. for a month he interned with an