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This Friday: Van Der Sloot arrest, Sedona sweat lodge deaths

Chris Hansen reports on the arrest of Joran van der Sloot and the latest developments in the Natalee Holloway case.

Plus, What began as a spiritual rebirth ended in tragedy this past October in a Sedona sweat lodge and now some who were there speak out for the first time with the shocking inside story. Chris Hansen reports.

An all-new Dateline Friday, June 11, 9 p.m./8C.