The TikTok Killer is a 2-part docuseries, directed by Héctor Muniente, about the 2023 disappearance of Esther Estepa, a 42-year-old woman from Seville, Spain. The last person she was seen with was José Jurado Montilla, whose walking travels across Spain were documented on a popular TikTok feed. But as Montilla retraced his steps with Esther on his feed, determined to find her, a look into his past found that he had been accused of being a serial killer.