things people were accusing him of. it seemed utterly out of the realm of possibility. there was too much goodness. the heart was too big. >> reporter: it wasn't until the spring of 2008 that an american volunteer discovered something was terribly wrong. brian russell got a call from the volunteer at the school. >> she related the story where one of our older boys had raped one of our younger boys. we have to do something. we can't have children raping each other and he said that's hard because douglas has been doing this for the last ten years. confronted he returned to the u.s. where a year later the u.s. immigration and customs' enforcement agents arrested him and charged him with abusing 18 younger boys and on his computer they found links to pornographic websites which according to websites said he showed one or more minors on his laptop