By Debbie Emery - Breaking Celebrity News Reporter

As Joran van der Sloot faces 28 years in prison for murder, the woman who has been paying his legal bills is fighting a battle of her own as she embarks in a bitter stand-off with the convicted killer's lawyer, Breaking Celebrity News can exclusively reveal.

Mary Hamer, who has described herself as van der Sloot's "guardian angel," claims that his Pervuian attorney Jose Luis Jimenez has swindled $75,000 from her that he said was going towards the Dutchman's bail.

The 'Personal Story' Of A Killer, Handwritten By Joran Van Der Sloot

When contacted for comment, Jimenez insisted the matter was merely a misunderstanding, and that he has returned the money (minus fees) back to Hamer — however,