No, we cannot...we have no jurisdiction to arrest or charge them. They only can be told that they must leave the US...that they are persona non grata.
Foreign government officials in the U.S. enjoy some protection from prosecution, but not in all matters.
www.nolo.com
The police cannot detain them, arrest them, or search or seize their houses and other property. Diplomats cannot be prosecuted or otherwise forced to appear in criminal court. Nor can they be sued in civil courts, except for their personal (non-official) involvement in certain commercial, real-estate, or inheritance-related matters, or for their separate professional activities.