Migrants: Migrants 'mistreated' in US detention centres

Thousands of unaccompanied children from Central America - as well as mothers with babies - are illegally crossing into the US over the Mexican border. Once inside the US they turn themselves over to authorities in hopes of getting permission to stay permanently. Al Jazeera's Rob Reynolds travelled to Nogales in Arizona - where the migrants are being held.Subscribe to our channel http://bit.ly/AJSubscribeFollow us on Twitter https://twitter.com/AJEnglishFind us on Facebook https://www.facebook.com/aljazeeraCheck our website: http://www.aljazeera.com/