Student shot dead while doing research in Mexican state once run by drug lord El Chapo

A US researcher died allegedly at the hands of drug cartels after entering a warring Mexican state.

Gabriel Trujillo, a 31-year-old US PhD student at the University of California Berkeley, was tragically killed during a research trip to Mexico.

He was shot seven times and left to die in his SUV in the Mexican state of Sonora, an area previously controlled by drug lord El Chapo.