The Detective Agency receives an urgent request from the government to investigate a series murders perpetrated by the same culprit.
to decapitate all of the 
perpetrators from behind.
.لقطع رؤوس كلّ الجناة من الخلف
per decapitare da dietro tutti i criminali.
para decapitar todos
os criminosos por trás.
зайдёт со спины и обезглавит
всех преступников.