reporter: that's not to mention food which is the major concern of another minimum wage worker antonia sanchez to. [ speaking spanish ] >> reporter: she cleans silicon valley offices at night to support her family, including six daughters. she told me in spanish she earns $1,700 a month but her rent is $1,800 a month. she says her wages don't even cover her rent. her husband works but doesn't earn much as a day laborer. they can only afford one tank of gas a month so she uses a bus for transportation to and from work and comes to the food pantry twice a week for bags of groceries getting a ride from her neighbor. [ speaking spanish ] >> reporter: she says it's a hard life here, made just a bit better through the generosity of others be who donated the food. her biggest hope is for her daughters that they won't have a life as difficult as hers. in san jose, len ramirez, kpix 5. >>> new tonight a report by the city of san francisco is disputing a coroner finding that one of the passengers in the asiana crash was killed by an airport fire truck. cbs news obtained this video showing rescuers point