In Mexico City's wealthiest neighborhoods, the Ochoa family runs a private ambulance, competing with other for-profit EMTs for patients in need of urgent help.In Mexico City's wealthiest neighborhoods, the Ochoa family runs a private ambulance, competing with other for-profit EMTs for patients in need of urgent help.In Mexico City's wealthiest neighborhoods, the Ochoa family runs a private ambulance, competing with other for-profit EMTs for patients in need of urgent help.
