Last week, U.S. immigration officials said they would begin three flights a week to San Diego from Texas' Rio Grande Valley. They said authorities in Texas are overwhelmed and need help processing people who are arrested.
At a major processing in McAllen, Texas, 32 migrants tested positive for influenza earlier this week after a flu-stricken teenage boy who stayed there died. San Diego County recently converted a shuttered courthouse into a migrant shelter. The group of nonprofit organizations that manages the shelter has served more than 14,000 asylum seekers since October.