murrieta say they don't want the influx of undocumented immigrants to come and burden their town. but petrona and all the other undocumented immigrants we've met are heading to other cities across america, absorbed into the north, the midwest and east. >> what if america makes you go back? "i will never go back" she says. her son would be killed. it's been more than a year since santos has seen his family. rudy doesn't recognize his father, but that doesn't matter right now. "i don't know how she did it" he says. so stunned he's not sure what else to say. they say petrona will show up for her federal hearing but there's little incentive, no monitoring and the very real risk of deportation. under that shadow begins their undocumented life, like the millions who have already made this journey.