This is the 12982nd most frequent Spanish word.
perpetraron
"Perpetraron" means "they perpetrated" (committed or carried out, typically a harmful or illegal act).
In this sentence, 'perpetraron' is used to indicate that the thieves carried out or committed the act of robbing the bank.
Los ladrones perpetraron el robo del banco durante la noche.
The thieves carried out the bank robbery during the night.
Here, 'perpetraron' conveys that the students executed or performed the act of the prank.
Los estudiantes perpetraron una broma elaborada en el aula.
The students carried out an elaborate prank in the classroom.
In this case, 'perpetró' is used metaphorically to imply the creation or production of a controversial or impactful work.