The bill would require immigration officers to detain immigrants who are suspected of minor theft and cede some federal immigration enforcement power to states.

The U.S. immigration system isn’t ready for the havoc and expense this bill could unleash. But the real pain will be felt by the immigrants the bill targets.

A new bill before lawmakers in Washington, D.C., aims to crack down on illegal immigration with new federal enforcement for certain offenders.Montana's new U.S.