ITN show with Mike Dakkak

An interview discussing the change in manufacturing of the Pfizer COVID 'vaccine' during the clinical trial on whose results the Emergency Use Authorization (EUA) was granted on Dec 12, 2020. The hidden trial within a trial' Where were the regulatory agencies? This is a different product with DNA plasmid contamination. Why was this not the subject of an investigation, given that this product is the one given to people around the World