On September 9th, around 1:30 pm, the Texas Department of Public Safety was alerted to potential bomb threats targeting several local high schools: Coronado High School and Lubbock High School in the Lubbock Independent School District, Frenship High School in the Frenship Independent School District, and Monterey High School in LISD, as well as Lubbock-Cooper High School in the Lubbock-Cooper Independent School District.