for stephanie krolick, the cost of both trips will be more than $50,000. at his home office in madison, wisconsin, steven byer wishes them well. he's never met them, but is convinced they are being ripped off. >> the bigger the disease, the greater the predator. so they're praying on people who have terminal illness and their families. >> reporter: how does he know? byer's son, ben, was diagnosed with lou gehrig's disease in 2002. they were told it was incurable. the byers refused to believe it. and they were just as desperate as stephanie krolick. did you begin searching for a cure? >> from day one. >> reporter: searching the world for a miracle cure and finding a world of clinics willing to take their money. when we come back -- >> we expected that there would be something somewhere on the planet that would help. an airline has planes... and people. and the planes can seem the same so, it comes down to the people. because, bad weather the price of oil those are every airlines reality. and solutions won't come from 500 tons of metal and a paint job. they'

stephanie krolick was more confident.rimental treatment, she told us, did work, if only in very small ways. do you attribute that to the stem cell therapy? >> i've thought about it a lot. especially knowing you were going to ask. and yes, i do. >> reporter: stephanie krolick and josh's father want to do everything they can for their son. >> stay with us. >> reporter: he remains incurable. the stem cell treatment is over. more than $50,000 has been spent. >> i know you're saying all kinds of things. >> reporter: whatever happened in india certainly did not provide any miracles. what do you think for cash's future? what's the optimal that you can expect? >> i don't even have an answer, is the thing i -- i feel like as cash's mom, i don't hide him. we go out. we go do things. and you know, we all love him the way he is. it's one thing to be really helpless when you're 6. it's a whole different thing to be really helpless and in diapers when you're 16. which is one of the reasons why i feel like i have to do this. because if