More than 3,700 people were missing in the Mexican border state of Chihuahua as of last summer, most of them adult males.

Mexico investigators have been finding bodies for days at a suspected narco mass grave in the state of Chihuahua.

The discovery of one clandestine grave lead to another and another in the desert in the state of Chihuahua in Mexico.

The remains found in the Chihuahua state included some bodies, some complete skeletons and other partial remains, as well as bullet casings.

On Thursday, the Chihuahua Attorney General's Office said clandestine graves with bodies and skeletal remains had been found over the previous week near the town of