11.   Instead, it has seized upon, of all things, the issue of Mexican immigration to the United States.

12.   Instead they are handed over to Mexican immigration officials, who are responsible for trying to get them back home.

13.   Mexican immigration officials and police long have been criticized for brutality toward undocumented Central American migrants in the south.

14.   Mexican immigration boomed later in the decade when an amnesty resulted in formerly illegal residents sending for their families.

15.   Mexican immigration officials recently conducted a particularly aggressive campaign against foreigners.

16.   No, the exchange of talent will enrich everyone, says Arthur Murphy, a Georgia State University professor who studies Mexican immigration issues.

17.   Riera landed in Havana on a commercial flight in the custody of a Mexican immigration agent, a spokesman for the Foreign Ministry said.

18.   The policy began around the same time that the government began expelling foreign human rights observers it charged were violating Mexican immigration laws.

19.   They were caught twice by Mexican immigration authorities and returned to Guatemala.

20.   Two Mexican immigration officials in a part of Chiapas away from Zapatista-held territory were burned to death in their patrol house on the Guatemalan border last month.