Beneath the Mask: Mexico’s Most Feared Female Serial Killer

Mexico City—where bustling streets hide unspeakable secrets. Behind a gentle smile and government badge, Juana Barraza—known as La Mataviejitas—entered the homes of elderly women, offering help… and delivering death.

Once a professional wrestler, she used strength, precision, and a lifetime of buried rage to strangle her victims. Investigators searched for a male killer for years—until the shocking truth was unmasked. Beneath her calm voice and kind appearance lay trauma, betrayal, and a revenge so personal it rewrote the profile of a serial killer forever.

This episode dives into:

• The emotional scars that shaped a murderer
• How a mother’s betrayal turned into blood-soaked vengeance
• Why no one suspected a woman — until it was too late
• The twisted psychology behind control, trust, and hidden rage

But this is only the beginning.

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