Earlier this week, dozens of armed men raided two hotels in the center of Monterrey, the industrial capital or Mexico, early Wednesday morning, hauling away four guests and as many as three staff members and sending a wave of panic across a city that has experienced more than its share of violent episodes as of late. It is suspected that it was an organized crime group seeking out opposing group.
http://www.nytimes.com/2010/04/22/world/americas/22mexico.html