TIJUANA, Mexico – Just across the border from the USA, police have begun using drones carrying video cameras to patrol residential neighborhoods and watch over parts of the city often visited by Americans.
Tijuana’s use of low-altitude unmanned aircraft for law enforcement surveillance, in darkness as well as daylight, appears to far exceed what state and local police agencies have been permitted to experiment with in the USA.
http://www.usatoday.com/story/news/world/2014/01/28/police-drones-tijuana-mexico/4951075/