Natalee Holloway's mom says 'her case is now solved' after Joran van der Sloot ADMITS beating her to death with a cinder block and dumping her body in the Caribbean - as he is jailed for 20 years as part of $250k extortion plea deal | Daily Mail Online

Van Der Sloot, 36, was sentenced to 20 years in prison for extortion and wire fraud as part of a plea deal in which he agreed to come clean about how he killed the high school graduate in Aruba in 2005.