. >> human trafficking attorney cindy lu says there are thousands of lilies hiding in plain sight in america. >> how do you count a population that by its very nature and definition that's hidden from you. >> the organization asian pacific islander legal outreach represents over 200 victims of forced labor trafficking in the san francisco area. but according to a 2004 report from the u.s. department of justice, an estimated 14 to 17,000 people are trafficked into the united states every year. making the crime as prevalent has homicide. put to work in popular restaurants, major hotel chains and factories, these silent victim, says liou, are the human cost of the low prices customers pay for food and services in big cities like san francisco. >> we' seen anyone as young as 7, anyone as old as 75 years old. men and women. we've also seen sex trafficking cases. but also a lot of labor cases so that involving domestic servitude, hotel restaurant work. >> and says liou, when they're healthy foreigners or diplomats, they have little incentive 20 respect u.s. laws. >> heidi who works out of