Germany, which has taken in more refugees than any other European country, is reeling over deadly attacks by some of them.
The reforms would have offered deportation relief to about 5 million of the nation's 11 million undocumented immigrants.
They often only make it as far as Mexico, where authorities detain and deport them. Despite Mexico's harsh immigration enforcement, most of the deportees plan to try to make the trip again immediately.
The US government's emphasis on detention and deportation to deter undocumented immigrants is failing: the number of families entering the country illegally has been increasing.
Immigration advocates argue that harsh reentry penalties have the effect of overburdening prisons and federal courts rather than discouraging illegal border crossings.
Honduran teen mom Lilian Oliva and her child had been deported after she tried to kill herself in desperation, but now the government is letting them come back to seek asylum as persecuted refugees.
Recent data suggests that thousands of US citizens have been unlawfully deported or detained by Immigration Customs and Enforcement.
The Obama administration has vowed to pass undocumented immigrants convicted of federal crimes directly to ICE after they are released from prison.
ICE agents pretending to be police officers lured Reynold Garcia out of church last month so that they could arrest and deport him, leaving his community in suburban Illinois terrified of enforcement actions to follow.
Central American migrants like Hilda Ramirez are finding sanctuary in a network of churches that have offered to house migrants since the US Immigration and Customs Enforcement began a series of controversial raids in January.
Puerto Ricans pay three times the amount their fellow Americans pay in the 50 US states for water and electricity, sales taxes are the highest in the nation, and the poverty rate is 45 percent compared to 15 percent in the continental US.
In hearing a challenge to Barack Obama's plan to shield as many as five million people from deportation, the Supreme Court will determine whether he overstepped his authority in enacting a sweeping immigration overhaul without congressional approval.
Some Central American families that were detained last week had already been loaded onto planes to be deported when they received a last-minute reprieve.
More than 120 Central Americans face imminent deportation after ICE agents took them into custody this weekend in a national enforcement action — the first of its kind to target minors.
From 2009 to 2014, a booming Mexican economy and a slower US one meant fewer Mexicans made the voyage north than went back south.
Abortion providers and pro-choice advocates across the country are looking to the court to overturn Texas' 2013 law so that other states won't follow suit in restricting access to abortion.
If the Supreme Court indeed rules against the president's amnesty, however, legal analysts told said it could pose major hurdles for future executive actions, whether they address immigration, environmental regulation, or any other issues.
The highly anticipated release struck some experts as an unsurprising compilation of well-known white supremacists that included errors and misleading information.
As a new sentencing law allows many low-level drug traffickers to be freed from prison, advocates say that efforts to deport the non-citizens among them effectively punishes these convicts twice for the same crime.
A new report says that US Immigration and Customs Enforcement inspectors have routinely overlooked critical safety concerns at immigrant detention facilities in recent years.