A new three-part documentary titled “Unmasking a Monster: Aileen Wuornos,” airing on Investigation Discovery (ID) and HBO Max, employs advanced visual effects and artificial intelligence (AI) to recreate the life and crimes of one of America’s most infamous female serial killers. The production blends digital technology with traditional acting to construct a detailed portrayal of Wuornos, whose story has been captured in numerous films and documentaries over the years.

Aileen Wuornos, a sex worker who admitted to killing seven men along Florida highways between 1989 and 1990, was convicted of six murders and executed by lethal injection in 2002. Her troubled background, marked by poverty, abuse, and neglect, has been extensively documented. This latest project aims to provide viewers with an immersive experience by digitally reconstructing Wuornos’ appearance and mannerisms based on archival transcripts, testimonies, and firsthand accounts.

The documentary features actor Morag Peacock, who was motion-captured to create a “digital mask” that overlays her performance, allowing her facial expressions and movements to be rendered with high fidelity. The production team, working over three years, developed this digital likeness to enhance authenticity. Peacock, a member of the United Kingdom’s Equity union, had no previous experience with AI technology but embraced the challenge of closely matching Wuornos’ distinctive behavior, including subtle facial gestures.

Stephen Dost, vice president of content at Arrow Media—the company producing the series—emphasized that AI is used as a tool to enhance rather than replace human actors. He differentiated this approach from projects that seek to substitute AI-generated performances directly for actors, a practice he strongly criticized. Alongside Peacock’s role, other characters such as Wuornos’ childhood friend, defense attorney, and investigators are also portrayed using this digital masking technique, while some real-life figures like Wuornos’ girlfriend and an undercover officer appear through traditional acting methods without AI enhancements.

The documentary clearly informs viewers when generative VFX technology is applied, maintaining transparency about its digital augmentations. Production consent was obtained from individuals depicted with AI enhancements, highlighting ethical considerations in using such technology in true crime storytelling.

This project marks a notable development in documentary filmmaking, where emerging digital techniques are integrated with conventional narrative methods to bring historical figures to life. Jason Sarlanis, president of Investigation Discovery, noted the innovation reflects a growing trend in the industry and acknowledged the potential for AI-driven effects to evoke mixed reactions among audiences. He described the finished work as “very handcrafted,” illustrating the collaborative effort between technology and artistic interpretation.

The use of AI and digital masks in “Unmasking a Monster: Aileen Wuornos” aligns with broader trends where documentaries have begun experimenting with AI, such as voice cloning or anonymization. However, its application in reenacted segments based on archival evidence is relatively rare, presenting new possibilities and raising questions about authenticity and ethics in the depiction of real-life events.