A possible new lead in the disappearance of Natalee Holloway? It's been almost 10 years to the day that she vanished in Aruba.
Jurriën de Jong says he is something the case has never had: an eyewitness. Actually de Jong isn't new -- he's been speaking out for years.
In 2008, he even called Natalee's father Dave Holloway and said, "'She's on land and I know where her body is hidden.'" Dave Holloway said, "My initial thought was, 'This is another crazy.'"
De Jong has gone to the police numerous times, and has even given a sworn statement.
Here's his version: On the night Natalee Holloway vanished, de Jong says he was doing something illegal at a construction site, he won't say what, but around 2 a.m. he says he saw a young man, who he later identifies as Joran van der Sloot, chasing a young woman into the site.
"I thought first in a playful way like, 'Oh, I'm going to get you,'"de Jong said.
He says the couple disappeared into a small section of construction, "but after five minutes I'd say, he came out with her in his arms," de Jong said.
And it was what he saw the man do that told de Jong the woman was dead: "And you know he really slammed her...and then you don't start hiding this person in the crawl space."
Joran van der Sloot is serving 28 years in Peru for the murder of a young woman. He's never been charged in the Natalee Holloway case.
Now, de Jong's testimony seems to practically solve the mystery of what happened to Natalee, and nearly 10 years after she disappeared, authorities have finally got around to investigating it.
"I don't know if he's lying. I only say his statement can't be true," said Aruba prosecutor Eric Olthof.
That construction site in 2005 is now a 12-story hotel owned by Marriott. The prosecutor says Marriott informed him at the time Natalee vanished there was no construction.
"When there's no construction, Natalee Holloway can't be buried in the crawl space under the foundation," Olthof said.
That certainly seems true, but Dave Holloway thinks that Marriott could possibly be wrong about those construction dates.
Holloway lead a number of searches for his daughter on Aruba and he remembers the place.
"I was there on June 1st and there was definitely construction in that area. June 1st 2005," Holloway said.
A Google Earth view from June 2005, a short time after Natalee vanished, appears to show a construction site and the fuzzy shapes of structures.
When asked for clarification, Marriott issued a statement making no mention of the building, saying only, "As we have done all along, we cooperate fully with authorities whenever they are conducting an official investigation."
"What he is describing in his story matches what's physically there at the time. I'm thinking this could be something and that's something that really needs to be looked at closer," Holloway said.
Holloway wants a search, but authorities say that's not going to happen.
"That's useless to search there with a cadaver dog or drilling or whatever. One thing will be sure: she's not lying there. She can't be lying there," Olthof said.
Because he said that would give false hope to both the family and the many people that have followed this story and he says she simply is not there.