Athletes participating in the Pan Am games in Mexico this month will be guarded by unmanned drones, infrared-equipped Black Hawk helicopters, hundreds of surveillance cameras and more than 11,000 police officers.
It's the first time since 1975 that Mexico hosts the Pan American Games. About 6,000 athletes from 42 countries will take part in the two-week event, which opened last Friday with festivities in the host city of Guadalajara, Mexico's second-largest. Sports events will also be held in four other cities in the same state, Jalisco.