http://www.latimes.com/news/local/chi-w ... ome-center

Elvira Arellano has slipped out of Chicago and apparently is headed toward Los Angeles, where an immigration march is being planned for Saturday, a West Coast march organizer said today.

She had announced plans this week to travel to Washington next month.

Arellano, an illegal Mexican immigrant, became a lightning rod in the country’s immigration debate after taking refuge inside a Humboldt Park church last summer. Just two days ago, she announced she was leaving the church and was heading to Washington, D.C., to participate in a Sept. 12 prayer and fast vigil on the National Mall.

If all goes according to plan, she will be joined in Los Angeles by her U.S. citizen son, Saul, 8, who flew ahead with a family friend, a West Coast organizer said Friday.

“That is a courageous, courageous woman, absolutely,â€