TIJUANA, Mexico (AP) — U.S. immigration lawyers are telling Central Americans in a caravan of asylum-seekers that traveled through Mexico to the border with San Diego that they face possible separation from their children and detention for many months. They say they want to prepare them for the worst possible outcome.

"We are the bearers of horrible news," Los Angeles lawyer Nora Phillips said during a break from legal workshops for the migrants at three Tijuana locations where about 20 lawyers gave free information and advice. "That's what good attorneys are for."

The Central Americans, many...