A new development in the disappearance of American Natalee Holloway is being tested right now. A human jaw bone was found on the beach near a resort in Aruba. Labs are testing it right now to see if it is the remains of Natalee. There was still a molar tooth attached to the jaw bone and they are going to compare it to her dental records. The bone was found on the beach next to the swamp that Joran Van der Sloot said he left her body. Joran Van der Sloot was the last person to see Natalee alive in 2005 and admitted to killing her then retracted his statement. He is currently in jail for the murder of a woman in Peru. Click here for more on Natalee Holloway.