Missing in Aruba: Investigators Focus on Insurance Policy

These developments were considered so significant that on Tuesday Judge Monique Yarzagaray ruled that Giordano be detained for double the time the prosecution originally requested. While in jail Giordano will undergo day-long interrogation each day, in which his lawyer can only be present before and afterward.

Aruba police will now have more than two weeks to mount a case against Giordano, based on evidence collected from witnesses, surveillance video, personal cell phones and laptops, and other information collected by police and the FBI, which is helping with the investigation.

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Federal agents searched Giordano's Gaithersburg, Maryland, home over the weekend, seizing cell phones and laptops. The home was known to have been equipped with surveillance cameras and signs warning visitors that video and audio of their visits would be recorded, according to neighbors.

Authorities in Aruba will now be focusing the search for Gardner on an area away from the beach where she went missing, but within the area where she could've traveled in that 4 p.m.to 6 p.m. timeline. The FBI is sending bloodhounds, while Curacao and Aruba riot cops and volunteers will comb the area.

Police are asking members of the public that may have information about Gardner's disappearance to call 011-297-582-0695 and leave their tip and contact information. The Natalee Holloway Resource Center, which is also helping with the case, has set up an American tip line at 407-237-2295.

This story has been updated with new information from law enforcement.