Law also requires foreign officials in the country to share any intelligence they have obtained with Mexican officials

Mexico’s congress has approved a new national security law restricting the activities of foreign law enforcement officers, in a move which critics say will endanger intelligence sources and threaten the future of international anti-narcotics operations.

The law passed on Tuesday strips foreign agents of diplomatic immunity and requires foreign officials in the country to share any intelligence they have obtained with Mexican officials.

Drugs bust in India sheds light on how adaptable cartels have come to dominate the lucrative trade in the powerful synthetic opioid

Carlos is a Mexican businessman employed by an import-export company that specializes in the trade of tequila and agricultural and chemical products. But in January 2016, he was a long way from his home in Culiacán, capital of Sinaloa state.

Two associates accompanied him as he travelled from Shanghai to Hong Kong, Japan, and finally, India.

Alfredo Bosco came to Guerrero on assignment to document southern Mexican villages emptied out by conflict. Over repeated visits he documents the region’s story

Life in Guerrero seems to hover at the edge of violence. The threat is pervasive: in the armed men at roadblocks, the empty nighttime streets, the kindling of street protests. Then it erupts, in a brief convulsion. What endures is the wreckage left behind.