True but the 'Polis' could possibly use the results to find some new direction(s) to go after. They could re-ask all the Q's of the big three under polygraph, and (re) triangulate answers.
Remember, they are dealing w/the son-of-a_____ who's dad wants to be a judge. A man in high places.
LE in Aruba is trying their damnest to sweep this under the rug.
That's been very clear to me since the first 24 hrs. elapsed.