Her criminal profile allowed her to choose between entering a juvenile reformatory or working with BOPE. Originally from a small town near São Paulo, Caveira was arrested as a robbery suspect at age 16.

In Rainbow Six Siege lore, Caveira is known as an interrogator who is working for Batalhão de Operações Policiais Especiais (BOPE), the police tactical unit of the Military Police of Rio de Janeiro State (PMERJ) in Brazil. She also appears as a crossover DLC character in Tom Clancy's Ghost Recon Wildlands, and in other video games published by French video game publisher Ubisoft, including the crossover title Tom Clancy's Elite Squad. Caveira was introduced in Operation Skull Rain, the game's third season, which was released on August 6, 2016.

Taina 'Caveira' Pereira is a fictional player character who appears in the 2015 video game Tom Clancy's Rainbow Six Siege, a tactical online first-person shooter that was developed by Ubisoft Montreal.