This story has been updated. Gunmen have started dumping bodies down the hillside garbage chute in La Silsa. The slum, one of the poorest that ring Caracas, was crime-ridden when I was a teacher there in the 1980s. But residents like housewife Gladys Rodríguez tell me the barrio has become a killing field over the past few years, and that corpses are sometimes found atop the rubbish pile below her street. "That's what things have come to," says Rodríguez, 36. ...

Key structural changes have been identified in the brain images of some patients with mild cognitive impairment which could help determine who's at greatest risk for developing Alzheimer's disease. Francisco Velasco Delgado was detained by military officials early Monday and flown to Mexico City, where he was placed under 45 days of house arrest, according to the media reports. With Delgado's removal, the military has taken over the Cancún police force, several newspapers reported. Cancún Mayor Gregorio Sanchez Martinez said ...

The police chief in Cancún has been relieved of his duties and placed under house arrest while he is investigated in the killing of a retired Mexican general who had been the area's anti-drug chief for less than 24 hours, Mexican media are reporting. Francisco Velasco Delgado was detained by military officials early Monday and flown to Mexico City, where he was placed under 45 days of house arrest, according to the media reports. With Delgado's removal, the military has ...