Article Photos: In Mexico, self-defense squads battle violence 11/13

In this photo taken Friday, Jan. 18, 2013, a man holds two small hand guns while guarding a roadblock in the town of Las Mesas, near Ayutla, Mexico. Hundreds of  men in the southern Mexico state of Guerrero have taken up arms to defend their villages against drug gangs, a vigilante movement born of frustration at extortion, killings and kidnappings in a region wracked by violence.(AP Photo/Dario Lopez-Mills)