here, in the agriculturally-rich yakima valley in central washington. hispanic population has exploded here in recent decades, as migrant families like garza's, who once just came through to pick apples and cherries during the harvest, decided to stay and put down roots. garza showed us the hops fields -- they're now out of season -- where he and his family used to work. >> backbreaking work, working in the elements, making hardly anything and you were powerless. i don't know of any mother who says i want my child to grow up and be a farm worker. but it's noble work. >> brangham: they lived in nearby toppenish, washington, population 9,000. in this little house with no running water. >> the idea, as farmworkers, is you rent the cheapest home you can. >> brangham: it was admittedly a tough life. but garza's dad was able to save up his money and eventually buy this small motel in town. >> brangham: it was with this step up the economic ladder where young daniel began finding his political beliefs. he became a cop. he took a job working for the hard-chargi