Ruger, a German Shepherd search dog with Texas EquuSearch, looks for missing Alabama teen Natalee Holloway who disappeared on this Dutch Caribbean Island on May 30, in northern Aruba, Tuesday, June 28, 2005. (AP Photo/Leslie Mazoch,POOL)
Volunteer member of Texas EquuSearch, Lyn Parsons, of Largo, FL, leads her golden retriever search dog Rudy on a search for missing Alabama teen Natalee Holloway who disappeared on this Dutch Caribbean Island on May 30, in northern Aruba, Tuesday, June 28, 2005. (AP Photo/Leslie Mazoch,POOL)
A volunteer member of Texas EquuSearch, Mary Peter, of Brooksville, FL, leads her German Shepherd search dog Ruger on a ground search for missing Alabama teen Natalee Holloway who disappeared on this Dutch Caribbean Island on May 30, in northern Aruba, Tuesday, June 28, 2005. (AP Photo/Leslie Mazoch,POOL)
Texas EquuSearch volunteers surface after searching a rock quarry for missing Alabama teen Natalee Holloway in Noord, Aruba, Monday, June 27, 2005, near the home of one of the three suspects in the case. (AP Photo/Mark Jansen, Pool)