The Pecos empire is a barbaric community of maurading bandits who claim to rule all land south of the colorado river. They are a savage, cruel and wild. Their base of operation is unknown. They have no industry and low technology, stealing what they want or need from neighboring communities, travelers and even the Coalition. Raiders seldom venture south, into mexico.
A loose command structure makes them resistant to attack by ARES. The Pecos emipre will attack in mass and incude a wide mix of (meta)humans, mages, cybered individuals. They are masters of salvage and can keep almost anything running/firing/flying.
Overall, there may be over a million Pecos, but only around one third are considered raiders.