Violence and crime have fallen in 26 of the 32 Mexican states since 2012, yet under-reporting of violent crime and rape and a lack of prosecutions remain worrying, according to the Institute for Economics and Peace (IEP).
The Mexico Peace Index, which measured peace since 2003 based on crime rates, police funding and the justice system, said violence cost the Mexican economy an estimated $233 billion last year - worth 17.3 percent of the country's GDP.
Mexico has been wracked by drug violence in the past decade. More than 100,000 people have died in clashes between Mexican . . .
