jack berger, a research analyst. we move beyond the streets of brussels to where young men are vulnerable to radicalization. >> from rural midwest to war-torn mideast. she went for the money and found a greater calling... >> al jazeera america - proud of telling your stories. >> i wanted to dance, and eventually i started leaving the gangs in the street alone. >> we're pushing the envelope with out science every day, we can save species. >> i'm walking you guys! >> all i wanted to see was her walk. it was amazing. >> these were emotions that i had been dreaming about for so long. >> getting to the heart of the matter. proud to tell your stories. al jazeera america. >> even before today's attacks. belgium was fast becoming a nexus for violence in europe. per capita belgium contributes more foreign fighters to the war zones in the middle east than it's neighborhoods. a document called "my jihad" gives us a ground-level look from a suburbs of brussels. here is a clip. >> rudy is the belgium journalist and filmmaker. you

jack berger, a research analyst. we move beyond the streets of brussels to where young men are vulnerable to radicalization. >> even before today's attacks. belgium was fast becoming a nexus for violence in europe. per capita belgium contributes more foreign fighters to the war zones in the middle east than it's neighborhoods. a document called "my jihad" gives us a ground-level look from a suburbs of brussels. here is a clip. >> rudy is the belgium journalist and filmmaker. you just saw him behind that documentary. he joins us from brussels. rudy, thank you so much for being with us. first of all, i hope you and your family and friends are all safe today. >> it's a small margin because we were supposed to be taking footage from where the bottom exploded, so we were lucky. >> let's talk about this. you and i had a conversation from when that documentary first aired. the attacks in brussels are devastating. what makes brussels or belgium an unique target or unique place for these attacks? >> well, brussels--brussels i