A bipartisan coalition of the top legal officers from 50 states and territories will investigate big tech behemoth Google’s alleged monopolistic practices, a dozen attorneys general announced Monday.

The group, led by Texas Attorney General Ken Paxton, a Republican, and D.C. Attorney General Karl Racine, a Democrat, made the announcement on the steps of the Supreme Court they would investigate Google’s online advertising practices, its data collection strategies, and whether it was taking illegal anticompetitive actions to stifle the free market online.