Who is Carlos from Coyotes: A Journey Through the Secret World of America's Illegal Aliens and what is their importance?

Carlos is described as a young man, who could speak limited English. Ted met Carlos in El Mirage. Carlos was educated but told Conover that despite his education, he was unable to find a suitable job. Like most of the young men Ted met, Carlos was anxious to work. Ted remained with Carlos for the trip to California.