(Albany, OR) -- The seven people killed in a crash last week on I-5 were all agricultural workers. Staff with PCUN [[ pick-YOON ]], a union for Oregon farmworkers, says they were all from Mexico and they're working with the Mexican Consulate to notify families. They were coming home after working when their van was hit from behind by a semi north of Albany. Six people died at the scene and a seventh person died at a hospital. The truck driver is charged with DUI and seven counts of manslaughter.