For research ,this must be one of the best videos to study. This was McCanns first trip back to Portugal and the visit to Lisbon had nothing to do with the search for Madeleine. The trip was to start proceedings against Goncalo Amaral, to have his book and documentary banned. In other words Gerry McCann was there to destroy Dr.Goncalo Amaral.
Now watch him lie and understand why they are still free.