Maria Isabel de la Paz, a U.S. citizen, was twice turned away when trying to enter the U.S. legally. When she attempted an illegal crossing, her case was decided by a Border Patrol agent, not an immigration judge. John Burnett/NPR hide caption

itoggle caption John Burnett/NPR

Philadelphia City Councilwoman Maria Quinones-Sanchez pushed for the city to change its practice of detaining immigrants on behalf of federal officials. Matt Rourke/AP hide caption

itoggle caption Matt Rourke/AP

Young migrants seen apprehended by the Border Patrol near the Rio Grande in Hidalgo, TX, earlier this year. The next stop for many is either a detention center or deportation. Kainaz Amaria/NPR hide caption

itoggle caption Kainaz Amaria/NPR

Daniel Neyoy Ruiz, 36, moved into a Tucson church with his family last month, claiming sanctuary as he sought a reversal in his deportation order. Fernanda Echavarri/Arizona Public Media hide caption

itoggle caption Fernanda Echavarri/Arizona Public Media

A migrant from El Salvador holds a map he received from church workers at the Mexico-Guatemala border. It shows the freight train schedules and routes to the U.S. border. Carrie Kahn/NPR hide caption

itoggle caption Carrie Kahn/NPR

Audience members listen to President Obama speak about immigration reform in El Paso, Texas, in May 2011. The Obama campaign is wooing Hispanics ahead of the November elections, but the president's deportation policy is being criticized by immigrant advocates. Charles Dharapak/AP hide caption

itoggle caption Charles Dharapak/AP