Chilling footage shows a woman shouting that the elite are 'eating people' before she went missing.
This is the case of Gabriela Rico Jiménez, a model from Mexico who disappeared some 15 years ago after making the strange rant.
In her tirade, she yelled in Spanish about a conspiracy involving deceased former members of Mexico's government.
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She also accused 'elite' people of engaging in cannibalism and eating human flesh in the disturbing speech.
Jiménez was 21-years-old at the time, and was handcuffed by police after the tirade before being led away and never seen in public again.
The case has now re-emerged after appearing on the podcast Mexico Unexplained which took another look at the years-old disappearance.
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This podcast looks at various supernatural theories in Mexico as well as things like UFO theories.
So what did Jiménez actually say?
Beginning the rant, she said: "I wanted my freedom. Monterrey freed me but it cost me a lot of work."
She continued: "I was in Mexico City for a year and four months. All this began in mid 2001. I barely remember."
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The 21-year-old referred to a number of rich and important people in Mexico, including Juan Camilo Mouriño Terrazo.
He was a high-ranking politician in the National Action Party who led a crackdown against cartels in Mexico before his premature death.
Video of the incident shows police officers moving closer to Jiménez.
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She continued: "They have already taken me to the police station, and there they told me that they knew nothing!"
Things then escalate, with Jiménez pointing at an officer and saying: "You! You were there! Go get the [expletive]! You killed Mouriño!"
She went on: "They told me who did they kill? The Queen of England? The Queen of Germany? Did they kill the princesses and Mickey Mouse? It was also him!
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"What? Nothing is going to come here. The people where you come from are crazy! They killed a lot of people. Death to that kind of human! Go away!"
Jiménez then went on to make the accusations of cannibalism, saying that people 'ate humans'.
She said: "They ate humans! Disgusting! They ate humans! I wasn't aware of anything. Of the murders, yes, but they ate humans! Humans! They smell like human flesh!"
Eventually, Jiménez was detained by the officers, with a video caption saying that she was taken to a psychiatric facility at the Buenos Aires colony.
It went on to say that would be until she could receive 'help and can be well cared for'.