KEY POINTS
  • So-called sanctuary policies have limited effects on the Trump administration's ability to deport migrants, even within sanctuary regions.
  • Sanctuary policies refer to a wide range of measures to limit local authorities' cooperation with federal immigration enforcement operations and federal use of local resources.
  • ICE resources are stretched thin, making the agency more reliant on local resources in some areas.
Protesters at a pro-immigration rally where organizers called for a stop to the Immigration and Customs Enforcement (ICE) raids and deportations of illegal immigrants and to officially establish Los Angeles as a sanctuary city.

Sanctuary cities could throw a wrench into President Donald Trump's latest order to ramp up deportations of undocumented immigrants.

The president on Monday tweeted that his administration would be deporting millions of undocumented immigrants beginning next week, sparking fear in immigrant populations and their allies across the country. The president's directive would represent a massive escalation of deportations.