Investigators in southern Mexico are checking several mass graves to see if they contain the remains of 43 missing university students.
A community living near one of the sites says criminal gangs have been dumping bodies next to their neighbourhood for years.
One resident of of Iguala told Al Jazeera that the neighbourhood was "becoming a cemetary".
Al Jazeera's Adam Raney reports from Iguala in southern Mexico.
Source: Al Jazeera