Through a technique known as a cell tower dump, law enforcement agents can uncover who was using one or more cell towers at a particular time, a technique which has been known to reveal the location of tens of thousands and even hundreds of thousands of people.
Grâce à une tour de relais  de station cellulaire, les policiers peuvent voir qui utilisait une ou des stations de base à un moment donné. C'est une technique  qui a révélé l'emplacement de dizaines, voir de centaines, de milliers de gens.