The Evidence
The new evidence that police uncovered were remains, that very much look human. Furthermore are similar to Natalee’s age, gender, height, and weight from when she disappeared. Natalee’s dad is certain it’s his daughter.
Gabriel
All of the new information which lead to the discovery of the remains came from an informant named Gabriel. Gabriel became friends with the former roommate of Joran van der Sloot – it was their friendship that caused Joran’s friend to open up to Gabriel.