Grammar in the New York Times

Does the New York Times still care about grammar? Consider the following passage from a recent article in the New York Times:

"The strength of organized crime groups has grown in Europe in the face of economic uncertainty. The mob has used the crisis to accelerate their infiltration of legitimate businesses outside their southern Italian strongholds into Rome and Milan, as well as in France, Germany, Spain and beyond.

"Is the mafia Europe’s new security threat? What needs to be done to curtail its influence across the Continent?"

Dear Reader, do you see what is wrong with the above passage?
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