The Coyote Line is a human smuggling operation of approximately 80 members that moves people into and out of GLMZ — refugees seeking entry to the city, fugitives seeking escape from it, and anyone in between who needs to cross borders that corporate sovereignty has made increasingly difficult to cross legally. The Line is the successor to a long tradition of human smuggling operations that have operated wherever borders exist, updated for a world where borders are defined by corporate jurisdictions rather than national ones.

The Line's operations range from the relatively benign (guiding refugee families through the wasteland corridors to GLMZ's external processing zones) to the morally complicated (smuggling individuals out of the city to escape corporate legal jurisdiction, often for a price that puts families in debt for years) to the genuinely dark (moving people who are not moving voluntarily, when the client pays enough). The Line's leadership maintains that they don't engage in human trafficking — that every person they move is moving by choice — but the distinction between smuggling and trafficking blurs when desperation is the commodity you're selling to.

The Line operates through a network of safe houses, vehicle caches, and wilderness routes that connect GLMZ to the outside world. Their guides — called 'coyotes,' after the centuries-old tradition — are skilled in navigation, survival, and the art of moving through spaces where being caught means death.