BASTROP — The cement-truck driver charged in a collision with a Hays Consolidated Independent School District bus in an accident that killed a child and a motorist did not have a background check completed before operating the heavy pumper.Court records obtained by the Courier reveal that Jerry Hernandez, 43, has a history of being accused of violence and illicit drug use.Hernandez, who drove a concrete pump truck for FJM Concrete Pumping LLC of Bastrop, is charged with criminally negligent homicide in a March 22 collision on Texas 21 that claimed the life of Ulises Rodriguez Montoya, 5, a preschooler on ...