New Delhi, June 26 -- WASHINGTON - She walked for eleven days through southern Mexico to reach the Tijuana port of entry. Border agents met her on the bridge, turned her back, told her to wait in Mexico until there was processing capacity. When the Supreme Court issued its ruling Thursday morning, she was still waiting. She no longer has the right to wait.

In a 6-3 decision in Mullin v. Al Otro Lado (No. 25-5), the Supreme Court held that a person who seeks to enter the United States from Mexico does not "arrive in the United States" while standing on Mexican soil, even if the only reason they have not stepped across is that a U.S. border agent has blocked their path. The ruling allows the federal government to turn back anyone physicall...