Masks, Lies, and Murder: The True Story of Juana Barraza — serial killer, female murderer, Mexico City crime, La Mataviejitas, Juana Barraza biography, elderly victims, women in crime, wrestling ring persona, criminal investigation, forensic psychology.Dive deep into the chilling case of Juana Barraza, the former wrestler turned infamous serial killer known as “La Mataviejitas” who terrorised Mexico City’s elderly women. We trace her scars from a harrowing childhood through the masked persona of the ring, uncover how she gained access to vulnerable victims, how authorities hunted her down, and how the public and media reacted. We explore her motives, the investigation, the trial, and the broader implications of gender, violence and justice. This episode is for true-crime fans, criminology enthusiasts, students of forensic psychology, and anyone fascinated by the twisted intersections of identity and brutality.