U.S. Immigration and Customs Enforcement agents often rely on administrative warrants when making arrests, which are not the same as judicial warrants. The two carry different levels of authority.

U.S. Immigration and Customs Enforcement agents often rely on administrative warrants when making arrests, which are not the same as judicial warrants. The two carry different levels of authority.

Under the “jail services model,” law enforcement officers can screen people detained in jails for immigration violations. —The “warrant service officer” model authorizes state and local ...