Carlos was brought up in Sinaloa on his fathers farm. He learnt how to live with little at a young age, and as he grew he began growing weed in a part of his fathers land. He sold it on to pay for his luxuries such as motorbikes and guns. Carlos came to Nyheim initally on business, to see about purchasing more weed from Nyheim and shipping it to Mexico so he wouldn't have to grow it anymore. Then the apocalypse hit. Carlos began collecting weaponry and selling it in Nyheim, gaining a reputation as a gun dealer. He's just been taking it one day at a time, and carrying on surviving.