>> 10-3 true crime news managing editor nancy moscatello first discovered amanda riley's scam. nancy is a producer on the docu series and a longtime colleague of mine. you've been working on this case for years, and early on, you assigned me a part of this case to work on. i remember saying to you, it's how are you going to prove a negative? how are you going to prove that someone doesn't have cancer in this world of hipaa laws? >> it was her blog. she was so detailed. she gave so much information once i got ahold of that, it was full of information. i could fact check that was her downfall because when you can prove they're lying, then all other things fall into place. >> amanda, based on the number one podcast by the same name, takes a deep dive into this elaborate con with so many victims. >> so as far as victims are concerned, the list that the government submitted was 347 victims. >> amanda documented everything, posting pictures on her website and updating her supposed cancer treatments. it was all a fake. >> i don't think she was like a super genius in the world of crime