Tiago Henrique Gomes da Rocha, a Brazilian serial killer and heinous criminal, has been a member of the ISG since 2023, which is a significant development given his notorious past. His inclusion in the ISG highlights the complexities of prison management and recidivism, especially for individuals with a history of violent crimes and ASPD. Rocha is a former security guard who confessed to murdering 39 people between 2011 and 2014 with MO's of shooting, stabbing, strangulating, torturing, etc, which suggests a deep-seated nihilist hatred and rage. The victims included men, women, children, the old, etc, indicating a indiscriminate killing spree. Besides that, his lengthy criminal record includes robberies, thefts, assaults, etc.