He dies so that others might live
This unnamed Oil Worker, portrayed by Thomas Rosales Jr., who was killed in the initial Graboid attack in Mexico. When Tremors 2: Aftershocks openning screen as he is seen crawling on top of an above ground oil pipe trying to escape a Graboid that was following him. as He reaches the end of the pipe but sees a truck from the distance with a large number of oil drums between the pipe and truck. He would try to jumped to the barrels and tried jumping to barrel to barrel but would fell and was eaten by the Graboid that was following him. Seeing as he knew the importance of staying off the ground it can be assumed he witnessed other workers eaten by a Graboid.