As videos of other sick children pleading for money are found online, we find out more about the man behind the camera. And it becomes clear that there’s a complex network of organisations registered in Israel, the United States and Canada, exploiting families who just need help.

Season 10 of World of Secrets, The Child Cancer Scam, is a BBC Eye investigation for the BBC World Service.

Please note, the image is being used for illustrative purposes only and the child depicted is a model.