
What turned Murano into Argentina's most notorious poisoner?
4.1 (26)
52 mins
Explore how a trusted businesswoman became the prime suspect in a series of mysterious poisonings that shocked Argentina. Discover how investigators uncovered a deadly pattern of deception, financial motives, and forensic evidence that exposed one of the country's most infamous serial poisoning cases.
Ep 1:
The Poisoner of Montserrat
Meet María "Yiya" Murano—charming TV darling, serial swindler, and Argentina's first documented female serial killer—whose arrest in 1979 Buenos Aires exposed a glamorous life built on debt and deception.
Ep 2:
Tea, Pastries, and Death
Three trusted women accept Yiya's tea and pastries—and never recover. One by one, Nilda, Leila, and her own cousin Mema fall victim to a killer hiding in plain sight.
Ep 3:
The Unshakeable Suspect
As evidence of cyanide and lies piles up, investigators close in on Yiya—but under interrogation she remains eerily composed, leaving psychiatrists and judges stunned by her chilling control.
Ep 4:
Confession on the Run
Sentenced to life, Yiya vanishes—until her own son tracks her down and demands the truth, forcing a confession that will haunt their family forever.
Ep 5:
The Celebrity Killer's Final Act
Freed and unrepentant, Yiya becomes a bizarre national celebrity, running a prison kitchen and charming talk-show hosts—while new allegations suggest her deadly pattern never truly ended.
Todd
Level 6 · 1 mo agoShe ran a Ponzi scheme, poisoned her creditors, and then got a cooking show in prison. Argentina is something else.
Johnny
Level 8 · 1 mo agoCyanide in all 3 bodies confirmed by exhumation records
Derek
Level 8 · 1 mo agothe part about her running the kitchen in prison 💀 the most famous poisoner in the country and they put her in charge of the food. i would have been eating vending machine chips every single day