“State and local law enforcement officials have the general power to investigate and arrest violators of federal immigration statutes without prior INS knowledge or approval, as long as they are authorized to do so by state law. There is no extant federal limitation on this authority.
Bank Robbery and Kidnapping are federal law and investigated on the state level.
The Hypocrite in Chief Barak Hussein 0bama, all praises be upon him, is clearly using this for a political level.