johar, like many libyans his age, fought to overthrow gadhafi.dhafi's palace compound. happy? excited? good day? yeah. >> give to me nice feeling, nice feeling that gadhafi -- he has killed my cousin! how should i be feeling? exactly, i'm feeling good, because i want to kill him. i don't want to see anyone dying more. he has killed for nothing! the first time i think that killing people is bad, but he's leave me do that, because if i don't kill him, he's kill me. >> right. i's nice to see freedom. it's nice to see the bad guy gone. it's nice. i feel welcome here. >> finally, we say no on him. he's now died. that's what we wanted. >> to johar, a few pieces of greasy fried chicken eaten in a brightly colored fast-food setting means something more than a calorie bomb. >> that's why we are fighting. that's we why give our blood for my country, because i want the feeling that -- the taste of freedom. >> the taste of freedom. >> is nice taste. ♪ >> food place, good? >> good. good food. ♪ outside tripoli's center, there's this. one-time axis of all powe

the boston marathon bombing, home grown terrorists and brothers, johar and tameli tamelin sarnaev. >>eel support each other sometimes even when they're not ied lonlicily sold on what you're believing in. they're following you, not an ideology. >> alani left his family in england to join isis. one year later, his cyster, once popular high achieving twins followed and became jihadi brides. last fall, the then 19-year-old traveled his bags to syria. traveling with him a's 17 and 16-year-old brother and sister. his mother made this impassioned ploo e. >> he and his fellow social media recruiter, leave our children alone. >> but blood isn't necessarily thicker than believes. although police have been questioning the brother of ab abdeslam. he claims h ewasn't radicalized. telling erin burnett why. >> you lived in the same house. did they ever approach you? >> translator: no. they know who i am. it's difficult to get close to me. nobody can radicalize me. i have my own ideas. >> kyong lah, cnn, los angeles. >> and still to come, conservative lawmakers stop thousands of syrian refugees from