One way propaganda works is to create anchors that appear credible based on the proportion of factual stories to stories that are not fact-checked and turn out to be incorrect or even bogus. Then work to plant stories that are spun or even bogus for publication without adequate sourcing. For example this can be accomplished through editors or reporters that are complicit or compromised. Very few news sources have the resources anymore to do adequate sourcing in a highly competitive environment in which infotainment now rules.
The Daily Mail is a UK newspaper.
The London Economic
Daily Mail brandished “fake news” – by Wikipedia