Mexico's federal prosecutor's office discovered on YouTube photos of the alleged leader of the Tijuana Cartel, showing him posing on a beach and riding in a boat, and reposted them on its Most-Wanted website.
Mexican police uncovered a mass grave this week with aid of a YouTube video posted online by a drug gang. Rival gangs have turned to social media before to publicize the crimes of their enemies.
Mexico boycotts in response to the Arizona immigration law may put a dent in trade with Arizona's No. 1 partner.
Tougher border enforcement, jail time, and a slow US economy are causing some Mexicans to reconsider going north for work.
A top operative of Mexico's infamous Sinaloa cartel was arrested Monday.