JORAN VAN DER SLOOT has pleaded guilty to the murder of Stephany Flores in Lima, Peru.

Van van der Sloot pleaded guilty on Wednesday to the 2010 murder of Flores, 21, a Peruvian woman he met at a Lima casino who was killed five years to the day of the unsolved disappearance in Aruba of an American teen in which he remains the prime suspect.

"Yes, I want to plead guilty. I wanted from the first moment to confess sincerely," he told the court.

"I truly am sorry for this act. I feel very bad."

Van der Sloot's lawyer argued after his clent's brief statement that the defendant killed Flores as a result of "extreme psychological trauma" he suffered from the fallout of the 2005 disappearance on the Caribbean island of Aruba of Natalee Holloway.

It is unclear whether Joran will now be extradited to the US on other charges at this time.