Daianna Duarte, also known as "Psicopata de Magé," is a notorious criminal with a long and disturbing list of offenses. Born and raised in Magé, Rio de Janeiro, Brazil, Duarte has gained infamy for her brutal and sadistic crimes, which have earned her a reputation as one of the most dangerous criminals in the world. Her criminal activities include serial killing, family annihilation, necrophilic and pedophilic zoophilic acts, kidnapping, burglary, possible sex offenses, arsonism, etc. Duarte's actions are driven by an antisocial personality disorder and extreme sadism, which manifest in her indiscriminate targeting of victims, ranging from random individuals to criminals, cops, militias, and religious figures. Duarte's modus operandi typically involves nocturnal home invasions, where she enters her victims' homes under the cover of darkness. Once inside, she subjects her victims to a series of horrific acts, including mutilation, torture, and dismemberment. Her sadistic nature is further evidenced by her practice of uploading videos of these gruesome acts to dark web circuits, where they are distributed as hurtcore material. The brutality of her crimes and the widespread distribution of her videos have contributed to her notoriety and fear among those who are aware of her activities.