tom tigue was disgusted when he found out. he runs a reputable charity called direct relief.warehouse in california, he supplies free medicines to rural clinics in the u.s., to disasters overseas, to almost any medical relief team that needs medicines. it's all free. he says when he had leftover medicines, he sent it to another charity so they could find a good use for it. the value of the medicines he sent? $3 million. within the week, he had a thank you letter for his $100 million donation. >> you personally know that is true. >> right. well, we've seen examples, including with products that we have given and assigned a value to which we know is correct, and then seen it in the handoff to another charitable organization be revalued at as many as, i don't know, 40 times higher, which is absurd. >> reporter: tigue tracked down what happened and found a man named cliff feldman, a broker who lives in florida, was working with charity services international in that south carolina warehouse and according to these e-mails was getting paid $2500 each time he handled the paperwork.

the paperwork says tigue was disturbing. >> the reason to make it appear bigger is to make them appearke they're doing more good. >> that's the only thing i can think. we've been at this for 65 years at direct relief. we've never been the largest one. we take a very conservative approach to these things. these are medications that people are going to ingest for their health. so there's no point in getting clever with anything including how it's valued for the purposes of appearing to the outside world. >> reporter: tigue cut all ties with feldman so have other charities who no longer have any faith in how he places values on donated goods. what's feldman's answer to all this? >> mr. feldman, drew griffin with cnn. i called and left a message from guatemala. i'm now standing outside the gates of your community. >> reporter: not surprisingly, the man who helped all these charities with their accounting lives here, inside a gated community of expensive homes in south florida. and no, he is not talking. as for the shipping company, a law enforcement source says charity services internation