By Debbie Emery - Breaking Celebrity News Reporter

As Joran van der Sloot's health continues on a downward spiral in a Peruvian prison, the woman who calls herself his guardian angel opened up to Anderson Cooper about why she is going broke for the convicted killer, and Breaking Celebrity News has an exclusive preview of the interview.

Mary Hamer will appear on Friday's episode of Anderson, where she was shocked when the talk show host suggested she was being manipulated by the charming confessed murderer.

"Do you think he's playing you?" asked Anderson bluntly.

"No, no I don't," replied Hamer, of Lake City, Florida, who has been paying van der Sloot's legal fees since he was arrested for the May 2010 murder of Peruvian student Stephany Flores.

As Breaking Celebrity News previously reported, the 55-year-old radiologist recently had a dispute with Joran's attorney, Jose Luis Jimemez, over $75,000 that she sent for bail money, only to discover that "by Peruvian law bail is impossible for someone charged with murder."

"You have asked for money back. You have given a total of how much money -- about $100,000?" Anderson asked Mary incredulously.

"And you had also sent money before that, how much money before that had you sent?" he inquired.

"I sent $16,500 before that for attorney's fees and I asked Mr. Jimenez to acquire an FBI document from the Peruvian court system, and several other things," Mary explained.

Cooper then goes on to read excerpts from a letter that Joran wrote to Mary, which Breaking Celebrity News previously exclusively posted. The handwritten note ended with the line, "I love you," which caused an explosive reaction from his audience.

Later in the interview, Hamer made the groundbreaking revelation she doesn't think Joran is guilty of the murder, des