Sergio Mucino was charged with harboring unauthorized immigrants after U.S. Immigration and Customs Enforcement raided his four Buffalo, N.Y., restaurants, but critics say his illegal workers have suffered much more than he has. John Burnett/NPR hide caption
A century ago, many new immigrants to the United States ended up returning home. And it often took a while for those who stayed to learn English and integrate into American society. Chad Riley/Getty Images hide caption
The West Kensington Ministry church in Philadelphia, seen here in 2014, is one of about a dozen churches offering sanctuary to Central American immigrants who are under deportation orders. Matt Rourke/AP hide caption
Some unaccompanied minors who don't qualify for asylum can apply instead for a visa called Special Immigrant Juvenile Status, or SIJS. LA Johnson/NPR hide caption
A swing set is all that remains in the backyard of a house in Middletown, Calif., after a devastating wildfire. Birth certificates and marriage licenses were among the important things destroyed. Lesley McClurg/Capital Public Radio hide caption
Jane Garcia, CEO of La Clinica de la Raza, which serves 25,000 patients in Contra Costa County, Calif., addresses supporters of expanding health care for undocumented adults. Farida Jhabvala Romero/KQED hide caption
Detainees at the Northwest Detention Center in Tacoma, Wash., gather for a Sikh prayer service. Liz Jones/KUOW hide caption
Boys wait in line to make a phone call at the U.S. Customs and Border Protection Nogales Placement Center in Arizona in June. Many of the minors who arrived from Central America last year are now awaiting court hearings to determine if they can stay in the U.S. Ross D. Franklin/Pool/Getty Images hide caption
People celebrate after California Gov. Jerry Brown signed bill AB60 on Oct. 3, 2013, in Los Angeles. Also known as the Safe and Responsible Driver Act, it allows undocumented immigrants to apply for state driver's licenses. Kevork Djansezian/Getty Images hide caption
The Supreme Court in Washington, D.C., voted against Arizona's appeal, which would have allowed a state ban on driver's licenses for young undocumented immigrants. Carolyn Kaster/AP hide caption
Lori Baker with her husband, Erich. Baker is founder and executive director of the International Consortium for Forensic Identification, Reuniting Families Project. StoryCorps hide caption
Migrants arrive at a rest stop in Ixtepec, Mexico, after a 15-hour ride atop a freight train headed north toward the U.S. border on Aug. 4. Thousands of migrants ride atop the trains, known as La Bestia, or The Beast, during their long and perilous journey through Mexico to the U.S. John Moore/Getty Images hide caption