As both countries' top diplomats head to the negotiating table Wednesday with a deadline looming for them to make a deal, here's a look at some common myths about Mexico and migration -- and what's actually happening south of the US-Mexico border.

For years, the doctors' expert opinions, like the facilities they inspected, remained out of the spotlight -- unseen by most lawmakers and unheard by members of the public. That changed, they say, when the Trump administration's policies left them no choice.

City officials in Sunland Park, New Mexico, have delivered a "cease and desist" order to the owners of land where a private border wall is being built.

A group that raised millions of dollars in a GoFundMe campaign says it has broken ground on a project to build its own stretch of border wall on private property.

The ACLU of Texas has filed a claim seeking $100 million in damages for the family of a 20-year-old Guatemalan woman who was shot and killed by a US Border Patrol agent.

At least 32 migrants have tested positive for influenza at a Texas processing center, prompting border officials to temporarily close the facility's doors to new detainees.

A possible government plan to send migrants who are in federal custody to South Florida sparked concern from local officials this week, and one mayor offered a proposal of his own.

In a new court-ordered effort to identify potentially thousands of additional immigrant families that the US government separated at the southern border, more than 1,700 cases of possible separation have been found so far.

President Trump called for a "major update" to the US immigration system on Thursday, announcing a plan to boost "merit-based" immigration.

Florida is about to ban sanctuary cities. And it's not alone.

After surviving on one meal a day, Juan de León Gutiérrez left his drought-stricken village in eastern Guatemala and set out on a journey to the United States. He just wanted to earn $13 for his family to buy corn and salt.

A 16-year-old Guatemalan immigrant has died in US custody, days after arriving at an Office of Refugee Resettlement shelter.

Militia leader Larry Mitchell Hopkins should remain behind bars pending his trial on a federal weapons charge, a judge ruled Monday.

They'd been keeping watch near the border for weeks, drawing little notice as they shared live videos from their desert outpost.

A militia group near the US-Mexico border detained hundreds of people this week, New Mexico's attorney general told CNN.

The mayor of Yuma, Arizona, has declared a state of emergency, saying his city doesn't have the resources to respond as the Border Patrol releases a growing number of migrants from custody.

Attorney General William Barr decided Tuesday that some asylum seekers who have established credible fear and are subject to deportation cannot be released on bond by immigration judges -- a major reversal from a prior ruling that could lead to immigrants being held indefinitely.

It's a surprising fact that's often overlooked in the immigration debate.

It could take up to two years for the government to identify potentially thousands of additional immigrant families US authorities separated at the southern border, officials said in a court filing.

A couple living on opposite sides of the border. A caretaker who crosses daily to help a woman in need. A man who buys medicine in Mexico.

Judges at an immigration court in El Paso, Texas, are undermining due process, making inappropriate comments and fostering a "culture of hostility" toward immigrants, according to a new complaint.

Children and families who US Customs and Border Protection detained for days in the fenced-in space were shaken once they were released from custody. Bruises were visible on toddlers and older children who had to lay on rocks and concrete, one advocate said.

Bryan MacCormack says he knew what to do when ICE officers pulled him over with paperwork in hand: Read the fine print.

A Guatemalan father is suing two nonprofits that house migrant children for the US government, alleging his 10-year-old son was forced to take psychotropic drugs and sexually assaulted while in custody.

The American Bar Association is proposing a major overhaul of the US immigration system, calling the courts that decide whether to deport immigrants "irredeemably dysfunctional."

Masked gunmen barged onto a bus in northern Mexico, carrying a list of names.

Potentially thousands more parents and children the US government split up at the southern border will now be included in a lawsuit over family separations, a judge ruled Friday.

At a desert border crossing, more than two dozen parents lined up to seek asylum, determined to reunite with their kids after being deported without them.

Customs and Border Protection has started knocking down the administration's border wall prototypes in the San Diego area, clearing the way for another construction project.

The Trump administration could face a major shakeup soon in the lawsuit over immigrant families separated at the border.

While the Trump administration sends humanitarian aid to Venezuela and ratchets up its rhetoric against Nicolas Maduro's regime, a growing group of Venezuelans who've fled to the United States are finding themselves in legal limbo and calling on Congress for help.