for decades, olga sanchez has been looking after them. she is a sort of mother teresa and has been praised by the dalai lama for work. >> in mexico, migrants are kidnapped and murdered. i tell everyone from guatemala and el salvador that they need to be careful. >> an estimated 400,000 migrants across mexico each year in buses, on foot, on freight trains. they often encounter corrupt police officers and criminal gangs. >> there are organized gangs in mexico that target people like us. there is danger lurking everywhere. it makes you very nervous. >> her refuge is called the home of the good shepherd jesus christ. she provides a bed, a warm meal, and medical tree been free of charge. for visitors, this is a welcome safe haven. police have come to this ranch where abducted migrants were discovered. those it cannot pay ransom are beaten. she tries to help the victims. >> i often feel if i have been completely abandoned by my own compatriots. i hard to get any help. >> this is home to latin america's biggest deportation prison. she gives advi