There is an interesting article in The New Statesman (link to home page) by Brian Cathcart, that takes a look at media coverage of the Madeleine McCann issue.
To publish any quotes out of context here, would put an inaccurate perspective on the whole article. However, it was nice to see shades of grey instead of just black and white.
I will use one quote however, "And as each supposed breakthrough fizzled out someone else always had to be blamed. Usually it was the Portuguese police, who may not have covered themselves in glory in this case, but who do not have responsibility for how their doings are reported. The other chief culprit when things go wrong is the Portuguese press, which is said to be mean-spirited and unreliable. Imagine that."
Full Article: A spiral of excitability