Jessica Alves dos Santos is an enigmatic and dangerous figure, known for her extensive criminal record, including being labeled as a serial killer, thief, kidnapper, torturer, necrophiliac, mutilator, pedophiliac, child killer and arsonist, etc. She had a close relationship with fellow serial killer Tiago Rocha while imprisoned, and their joint escape and subsequent joining of the ISG groups has further enhanced their notoriety. Just like Tiago, however, she is not looking for monogamic relationships. Despite her unassuming and tranquil demeanor, she does not feel remorse for the acts of unspeakable horrors she has committed.