Significant events in the investigation into the disappearance of American teenager Natalee Holloway:
_ May 30, 2005: Natalee Holloway, an 18-year-old American on a high school graduation trip to Aruba, is last seen in public leaving a bar with three local men — hours before she is scheduled to board a plane back home to Alabama.
_ June 6, 2005: Hundreds of volunteers, Aruban soldiers, police and FBI agents spread out across the island to search for the missing teen. Later efforts would include more volunteers, teams of divers, Dutch F-16 jets equipped with search equipment and specially trained dogs.
_ June 9, 2005: Police arrest the last three people seen with Holloway — Joran van der Sloot, a Dutch teen who lives on the island, along with friends Satish and Deepak Kalpoe, two Surinamese brothers.
_ June 17, 2005: Police detain Steve Gregory Croes, 26, a disc jockey on a party boat, on suspicion of involvement in her disappearance. He is later released.
_ June 23, 2005: Paulus van der Sloot, a judge in training on the island and the father of Joran, is arrested on suspicion of involvement in Holloway's disappearance. A court orders his release three days later.
_ July 4, 2005: A judge orders the Kalpoe brothers released, ruling there is not enough evidence to hold them.
_ July 26, 2005: Investigators begin draining a pond after a witness claims he saw the three suspects driving in the area the night the teen disappeared. Crews never manage to drain the entire pond and the effort is halted with no evidence found.
_ Aug. 26, 2005: Police re-arrest Satish and Deepak Kalpoe on suspicion of involvement in premeditated murder and rape.
_ Sept. 3, 2005: A judge releases van der Sloot and the Kalpoe brothers.
_ Jan. 16, 2006: Police search sand dunes on the northwest coast of Aruba, an area police had searched in the past and regarded as a place of interest.
_ April 15, 2006: Aruban authorities arrest a 19-year-old on suspicion of involvement in Holloway's disappearance, but release him without charges nine days later.
_ May 17, 2006: Authorities in the Netherlands detain a young man identified only as Guido W., a casino croupier at the Holiday Inn where Holloway was staying. He is released after six days.
_ April 27, 2007: Investigators from the Netherlands dig around the home of Joran van der Sloot's family for two days.
_ May 12, 2007: Dutch and Aruban investigators visit the home where Deepak and Satish Kalpoe live with their parents for what authorities termed an "inspection."
_ Nov. 21, 2007: Van der Sloot and the Kalpoes are re-arrested on suspicion of involvement in voluntary manslaughter and causing serious bodily harm that resulted in the death of Holloway. Prosecutors later release all three, saying they did not provide any new information under interrogation.
_ Dec. 18, 2007: Prosecutors announce they are closing the investigation.
Source: AP News