eric rosenthal, the founder of disability rights international, shows me andres. >> this is just complete reporter: and their explanati explanation? >> they were telling us the last time we were here, he was a fussy eater. >> reporter: all you could hear was the boy clenching his jaw. >> his clenching jaw is making more noise -- >> it's horrible to hear. that is the product of years and years of neglect. >> he knows we're here. >> reporter: we hold this boy's hand and immediately he smiles. we ask the nun watching over us, is he okay spending all of these hours alone? he's happy, she tells us. this worker trying to shake him back into the seat to restrain him. we notice this boy hanging by his hands on the bars over a treadmill. but the directors of the facilities tell us the children have a good quality of life, they are clean, they are fed, they have a place to live. he spends 24 hours a day in this cage? >> they'll take him out for one hour. >> the moment i put my hand in, he grabbed my hands. >> yeah. if you put your arm around him he would have smiled. >> people are going to look at

eric rosenthal, the founder of disability rights international shows me andres. >> this is complete neglect. >> reporter: all you can hear is the boy clenching his jaw. >> his clenching jaw is making more noise. >> he knows we're here. >> reporter: we hold this boy's hand and immediately he smiles. we asked the nun, is he okay spending all of these hours alone? he's happy, she tells us. this boy in the wheelchair the worker trying to shake him back into the seat. we noticed this by hanging by his hands over a treadmill. but the directors tell us they are clean, fed, they have a place to live. >> he spends 24 hours a day in this cage? >> they take him out for one hour. >> the moment i put my hand in, he grabbed my hands. >> yeah if you sat down and put his arm around him, he would have smiled. >> people are going to look at these children in cages and think these are images we haven't seen since the 50s. >> that's because they don't know. >> reporter: authorities telling us there will be an immediate government order. the ministry for social development telling us mexico city will immediatel