Salvador Ramos began playing "sad music" as he gunned down two teachers and 19 children in Tuesday's school shooting, a young survivor has revealed.
The twisted teen shot his own grandmother at their home in Uvalde, Texas before driving to Robb Elementary School to carry out the massacre.
Miah Cerrillo, 11, was inside one of the classrooms he targeted and survived by smearing herself in her friend's blood and playing dead.
