. >> alejandra flores is doing well in school. she began working in the cotton fields at age 10. >> from what i've seen, there's no rules. i've seen people younger than me work in the fields, and there's no one there to stop them and tell them, "you know what, you're not supposed to be here, you're supposed to be at school. the people that hire you to do the job, the employers ask, "is she 12 is she 13," they just want their job done, and fast. >> an eye opening america tonight special report. >> have you ever seen anybody get shot? >> one year later, correspondent christof putzel returns to the streets of chicago. >> i don't like walk out no more... >> why is that? >> a lot of shooting and stuff... >> a community still struggling against violence. >> i did something positive... >> have people lost hope? >> this is a grown man that shot a little kid. >> or have citizens made a difference? >> glad that somebody that's at least standing up and caring about us man... >> america tonight only on aljazeera america >> it's a chilling and

. >> alejandra flores is doing well in school. she began working in the cotton fields at age 10. >> from what i've seen, there's no rules. i've seen people younger than me work in the fields, and there's no one there to stop them and tell them, "you know what, you're not supposed to be here, you're supposed to be at school. the people that hire you to do the job, the employers ask, "is she 12 is she 13," they just want their job done, and fast. >> on tech know, >> what if there was a miracle? >> grace's stem cells are in this box. >> that could save the live of your child... >> we're gonna do whatever we can >> would yo give it a try? >> cell therapy is gonna be the next big advance in medicine >> tech know, every saturday go where science meets humanity. >> this is some of the best driving i've every done, even though i can't see. >> tech know. >> we're here in the vortex. only on al jazeera america. real reporting that brings you the world. giving you a real global perspective like no other can. real reporting from around the wo