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Marta Gomez (L), 42, walks among plants in the Tijuana River canal, which has become home to hundreds of people deported from the US, in Tijuana, Mexico, 27 March 2013. Gomez was deported three years ago and has been living in the canal. She has nine children who live in the United States. Behind Gomez is Micaela Saucedo, who has a shelter and helps the homeless. Heightened US border security and record numbers of deportations from the US have created a growing population of people who live homeless in Mexican cities that border with the United States. Many had lived for years undocumented in the US and have little or no family and other support in Mexico, and are subject to fall into depression, substance abuse and crime. Tijuana, Mexico, borders on the US city of San Diego, California. EPA/DAVID MAUNG ( MEXICO FEATURE PACKAGE HOMELESS DEPORTEES )

Marta Sandoval, 36, lays out clothing to dry on the bank of the Tijuana River canal, which has become home to hundreds of people deported from the US, in Tijuana, Mexico, 03 May 2013. In the background is the US-Mexico border wall. Sandoval, was deported from the US and has been living in the river canal. Heightened US border security and record numbers of deportations from the US have created a growing population of people who live homeless in Mexican cities that border with the United States. Many had lived for years undocumented in the US and have little or no family and other support in Mexico, and are subject to fall into depression, substance abuse and crime. Tijuana, Mexico, borders on the US city of San Diego, California. EPA/DAVID MAUNG ( MEXICO FEATURE PACKAGE HOMELESS DEPORTEES )

Arturo Gonzalez Padilla, 30, poses for a photograph holding two pieces of cloth he uses to clean cars to make a living, in Tijuana, Mexico, 03 May 2013. Gonzalez, who spent much of his life living undocumented in the US, was deported two years ago and has since been living homeless in the Tijuana River canal. Heightened US border security and record numbers of deportations from the US have created a growing population of people who live homeless in Mexican cities that border with the United States. Many had lived for years undocumented in the US and have little or no family and other support in Mexico, and are subject to fall into depression, substance abuse and crime. Tijuana, Mexico, borders on the US city of San Diego, California. EPA/DAVID MAUNG ( MEXICO FEATURE PACKAGE HOMELESS DEPORTEES )

People wash and bathe in clean water that flows from a drain originating in the US in the Tijuana River canal, which has become home to hundreds of people deported from the US, in Tijuana, Mexico, 27 March 2013. Heightened US border security and record numbers of deportations from the US have created a growing population of people who live homeless in Mexican cities that border with the United States. Many had lived for years undocumented in the US and have little or no family and other support in Mexico, and are subject to fall into depression, substance abuse and crime. Tijuana, Mexico, borders on the US city of San Diego, California. EPA/DAVID MAUNG ( MEXICO FEATURE PACKAGE HOMELESS DEPORTEES )

Rosa Elena Corral, 44, basks in the sun next to the Tijuana River after bathing in clean water that flows from a drain originating in the US into the canal, which has become home to hundreds of people deported from the US, in Tijuana, Mexico, 03 May 2013. Heightened US border security and record numbers of deportations from the US have created a growing population of people who live homeless in Mexican cities that border with the United States. Many had lived for years undocumented in the US and have little or no family and other support in Mexico, and are subject to fall into depression, substance abuse and crime. Tijuana, Mexico, borders on the US city of San Diego, California. EPA/DAVID MAUNG ( MEXICO FEATURE PACKAGE HOMELESS DEPORTEES )

Abimael Martinez, 37, pokes his head from an underground foxhole-like home that he and others built in the sediment of the Tijuana River canal, which has become home to hundreds of people deported from the US, in Tijuana, Mexico, 03 May 2013. Martinez was deported three years ago and has been living in the canal. Heightened US border security and record numbers of deportations from the US have created a growing population of people who live homeless in Mexican cities that border with the United States. Many had lived for years undocumented in the US and have little or no family and other support in Mexico, and are subject to fall into depression, substance abuse and crime. Tijuana, Mexico, borders on the US city of San Diego, California. EPA/DAVID MAUNG ( MEXICO FEATURE PACKAGE HOMELESS DEPORTEES )

A homeless man with truncated arms walks next to the US-Mexico border wall on the US side of the international boundry (yellow line), in Tijuana, Mexico, 03 May 2013. Heightened US border security and record numbers of deportations from the US have created a growing population of people who live homeless in Mexican cities that border with the United States. Many had lived for years undocumented in the US and have little or no family and other support in Mexico, and are subject to fall into depression, substance abuse and crime. Tijuana, Mexico, borders on the US city of San Diego, California. EPA/DAVID MAUNG ( MEXICO FEATURE PACKAGE HOMELESS DEPORTEES )

Marta Gomez, 42, eats fish found in a nearby market in the Tijuana River canal, which has become home to hundreds of people deported from the US, in Tijuana, Mexico, 27 March 2013. Gomez was deported three years ago and has been living homeless in the canal. She has nine children who live in the United States. Heightened US border security and record numbers of deportations from the US have created a growing population of people who live homeless in Mexican cities that border with the United States. Many had lived for years undocumented in the US and have little or no family and other support in Mexico, and are subject to fall into depression, substance abuse and crime. Tijuana, Mexico, borders on the US city of San Diego, California. EPA/DAVID MAUNG ( MEXICO FEATURE PACKAGE HOMELESS DEPORTEES )

Jose Ruiz (C), 47, eats a meal provided by the La Roca del Alfarero, a Christian-run homeless shelter, in Tijuana, Mexico, 07 May 2013. Ruiz had been living undocumented in Los Angeles for 30 years before he was deported to Mexico in February. He has been living homeless since. Heightened US border security and record numbers of deportations from the US have created a growing population of people who live homeless in Mexican cities that border with the United States. Many had lived for years undocumented in the US and have little or no family and other support in Mexico, and are subject to fall into depression, substance abuse and crime. Tijuana, Mexico, borders on the US city of San Diego, California. EPA/DAVID MAUNG ( MEXICO FEATURE PACKAGE HOMELESS DEPORTEES )

An unidentified man washes up before having breakfast at the Desayunador Salesiano Padre Chava breakfast feeding center in Tijuana, Mexico, 27 April 2013. The Catholic-run center provides about 1,200 meals a day to people, the majority of whom are deportees. Heightened US border security and record numbers of deportations from the US have created a growing population of people who live homeless in Mexican cities that border with the United States. Many had lived for years undocumented in the US and have little or no family and other support in Mexico, and are subject to fall into depression, substance abuse and crime. Tijuana, Mexico, borders on the US city of San Diego, California. EPA/DAVID MAUNG ( MEXICO FEATURE PACKAGE HOMELESS DEPORTEES )

A homeless man who was deported from the US to Mexico several years ago tends his washed clothes to dry in the patio of the Casa Refugio Elvira homeless shelter in Tijuana, Mexico, 28 April 2013. Heightened US border security and record numbers of deportations from the US have created a growing population of people who live homeless in Mexican cities that border with the United States. Many had lived for years undocumented in the US and have little or no family and other support in Mexico, and are subject to fall into depression, substance abuse and crime. Tijuana, Mexico, borders on the US city of San Diego, California. EPA/DAVID MAUNG ( MEXICO FEATURE PACKAGE HOMELESS DEPORTEES )

An unidentified man shaves in the Casa Refugio Elvira homeless shelter in Tijuana, Mexico, 05 April 2013. Heightened US border security and record numbers of deportations from the US have created a growing population of people who live homeless in Mexican cities that border with the United States. Many had lived for years undocumented in the US and have little or no family and other support in Mexico, and are subject to fall into depression, substance abuse and crime. Tijuana, Mexico, borders on the US city of San Diego, California. EPA/DAVID MAUNG ( MEXICO FEATURE PACKAGE HOMELESS DEPORTEES )

Men prepare bedding at the La Roca del Alfarero, a Christian-run homeless shelter, in Tijuana, Mexico, 07 May 2013. The vast majority of the men who stay at the shelter are homeless deportees. Heightened US border security and record numbers of deportations from the US have created a growing population of people who live homeless in Mexican cities that border with the United States. Many had lived for years undocumented in the US and have little or no family and other support in Mexico, and are subject to fall into depression, substance abuse and crime. Tijuana, Mexico, borders on the US city of San Diego, California. EPA/DAVID MAUNG ( MEXICO FEATURE PACKAGE HOMELESS DEPORTEES )

Men sleep at the La Roca del Alfarero, a Christian-run homeless shelter in Tijuana, Mexico, 07 May 2013. Approximately 120 men, the majority of whom are deportees, stay at the shelter. Heightened US border security and record numbers of deportations from the US have created a growing population of people who live homeless in Mexican cities that border with the United States. Many had lived for years undocumented in the US and have little or no family and other support in Mexico, and are subject to fall into depression, substance abuse and crime. Tijuana, Mexico, borders on the US city of San Diego, California. EPA/DAVID MAUNG ( MEXICO FEATURE PACKAGE HOMELESS DEPORTEES )

Juan Mesa (L), 64, is pictured in the Casa Refugio Elvira homeless shelter in Tijuana, Mexico, 28 April 2013. Mesa had been living undocumented for years in the US, but came back to Mexico to attend his mother's funeral three years ago and has not been about to return to the United States since. Heightened US border security and record numbers of deportations from the US have created a growing population of people who live homeless in Mexican cities that border with the United States. Many had lived for years undocumented in the US and have little or no family and other support in Mexico, and are subject to fall into depression, substance abuse and crime. Tijuana, Mexico, borders on the US city of San Diego, California. EPA/DAVID MAUNG ( MEXICO FEATURE PACKAGE HOMELESS DEPORTEES )

A Mexican man who was deported from the US several years ago looks out from a window at a shelter for homeless in Tijuana, Mexico, 05 April 2013. Heightened US border security and record numbers of deportations from the US have created a growing population of people who live homeless in Mexican cities that border with the United States. Many had lived for years undocumented in the US and have little or no family and other support in Mexico, and are subject to fall into depression, substance abuse and crime. Tijuana, Mexico, borders on the US city of San Diego, California. EPA/DAVID MAUNG ( MEXICO FEATURE PACKAGE HOMELESS DEPORTEES )