By BIANCA VÁZQUEZ TONESS, Associated Press AURORA — East Colfax Avenue was the best place to find a job. That’s what everyone told Sofia Roca. Never mind the open drug use, the sex workers or the groups of other migrant women marching the sidewalks soliciting work at the very same Mexican restaurants and bakeries. On East Colfax in Aurora, bosses would speak Spanish and might be willing to hire someone like Roca — a 49-year-old immigrant from Colombia — without legal authorization to work.