As the investigation continues into the deadly explosion in Esparto, a web of possible conflict-of-interest issues have come to light involving Yolo County, raising new questions.

The parents of three brothers — 18-year-old Jesus Ramos, 22-year-old Johny Ramos and 28-year-old Junior Melendez — faced the danger head-on, desperate to find their sons after the fireworks facility they worked at exploded.

Authorities say seven people are missing following an explosion at a fireworks warehouse in rural Northern California that caused a massive fire.

Shipping records show that Devastating Pyrotechnics imported large amounts of raw chemicals often used to manufacture fireworks.