It's not a particularly strategic location, the United States and its allies never pledged to defend it, and few people outside the region had even heard of it before this month.
Mexican authorities have found four more clandestine graves containing charred human remains at a site in the restive southwest of the country, where officials fear missing students were massacred by gang members and police.
A high-profile patent spat over noise cancelling headphones between Bose Corp and Beats Electronics ended on Friday with the two sides settling the case out of court.