Reported abuses include serving moldy bread, delaying medical care and subjecting detainees to sexual harassment, sexual assault and bullying.
As migrant caravans become commonplace, life goes on along the frontera sur where tumultuous Central America and the poorest part of Mexico meet.
A human rights researcher documents the stories of Central American migrants leaving behind endemic poverty and high homicide rates. In limbo in Mexico, many use art therapy to express their anxiety.
After 1.3 million migrants from the Middle East and Africa came to Europe in 2015, many countries built fences or closed their ports. That has pushed migrants to take riskier routes into the EU.
Central Americans who came to the US in the 1980s fleeing civil war drew on their background fighting for social justice back home to help unionize farmworkers, janitors and poultry packers in the US.
The migrant caravan was one of the biggest international stories of 2018, a roving human drama that laid bare Central America's pain for all the world to see.
Honduran migrants trudging north towards the US-Mexico border are fleeing violence and poverty that has its roots in activities of 10th-century American fruit companies.
More than two-thirds of Central American migrants will experience violence on their journey through Mexico, from robbery and extortion to rape. Caravans create safety in numbers.
The U.S. immigration detention system under Donald Trump is abusive, racist, sexist and haphazardly implemented, all designed to terrorize people attempting to exercise their right to seek asylum.
Central American youth are 10 times more likely to be murdered than children in the US. Child homicides in Guatemala, Honduras and El Salvador are rising even as other violence declines.
Leftist Andrés Manuel López Obrador, a former Mexico City mayor and career outsider, won Mexico's July 1 presidential election in a landslide. The US-Mexico relationship is about to change.
Mexico elects a new president on July 1. Frontrunner Andrés Manuel López Obrador says Trump's immigration policy is 'arrogant, racist and inhuman' and that he won't do the US's 'dirty work' anymore.