Caio Henrique, also known by the aliases "Ceifador" or "Ceifeiro," is a notorious Brazilian criminal figure who has gained infamy for his varied and violent crimes. He is often categorized as a serial killer, spree killer, mass killer, family annihilator, vigilante, torturer, and even a cannibal. His modus operandi is characterized by a mix of indiscriminate and selective methods of torture, dismemberment, home invasion, and mutilation. His crimes initially took place in and around Rio de Janeiro, with specific locations including Guapimirim, Niterói, Magé, etc. However, his criminal activities have since expanded beyond these regions, gaining worldwide attention, and the pillar rank within shadow groups.