Carlos, is a mechanic who works alongside Will Bowman at the ATCO garage. He's Will's best friend but isn't aware of Will's background until he's arrested and then from his holding cell he sees Will deliver another prisoner.
Will promises to look after Carlos' family and to get Carlos himself out of the cell. While Will does manage to keep his word and look after Lucia and Mateo he's not able to prevent Carlos being taken to The Factory at the end of "Brave New World". The Factory is later destroyed when the Demi's attacked it, killing Carlos in the processs.