[GunRunner]

Sure she can. The Church has canon laws and defined dogmas and violations of either can be adjudicated now as it always has been. Which is a very good thing.

Adjudicated in what manner? Who falls under their jurisdiction?

[annalex]

Depending on the issue, different legal venues exist, including the Congregation of the Doctrines of the Faith, wich is formerly known as the Holy Inquisition.

Any Catholic is subject to canon laws.