Thousands of parents who crossed illegally into the U.S. in recent years have been held with their children at immigration detention centers. But the case of a Brazilian woman and her son illustrates what migrant advocates call a harsher approach to immigration enforcement that aims to separate parents and children.

She’s being held in Texas, while her son was taken to a shelter in Illinois. The unspoken goal, advocates say, is to discourage parents from crossing illegally or attempting to request asylum….

Read more in the Los Angeles Times.