Efraín Sarmiento Cuero

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Efraín Sarmiento Cuero
Born (1996-05-20) May 20, 1996 (age 27)
Policarpa, Nariño, Colombia
Other names"The Beast"
Conviction(s)Murder x2
Sexual assault
Criminal penalty34 years and 8 months imprisonment (Mendoza)
20 years and 8 months (Muñoz)
Details
Victims3
Span of crimes
2017–2023
CountryColombia
State(s)Valle del Cauca, Nariño, Boyacá
Date apprehended
2018
Imprisoned atEl Barne Prison, Cómbita, Boyacá Department

Efraín Sarmiento Cuero (born May 20, 1996), known as The Beast (Spanish: La Bestia), is a Colombian serial killer and rapist who murdered at least three women across various regions from 2017 to 2023. He achieved notoriety in 2023, after murdering his girlfriend during a prison visit, where he was serving prison sentences for two separate murders.

Murders[edit]

Sarmiento's first known victim was Cristiana Mendoza Maya, a girlfriend with whom he went to a hotel in Cali, Valle del Cauca, in April 2017. Her body was later found by hotel staff, with her evidently being raped and strangled to death. An autopsy later determined that Mendoza had also been physically beaten prior to her death.[1]

In November 2018, Sarmiento went to another hotel in Pasto, Nariño, with a woman named Jacqueline Muñoz Ojeda. The couple supposedly got into an argument, after which Sarmiento beat her up and then strangled Muñoz using a belt.[1] He would be arrested shortly after this murder, linked to the previous one, and would be tried for both crimes, as well as a sexual assault committed in 2019.[1] He was found guilty for both murders, receiving 34 years and 8 months for the former, and 20 years and 8 months for the latter.[2]

Prison murder[edit]

Following his conviction, Sarmiento was transferred to the El Barne Prison in Cómbita, Boyacá. As he was allowed to use social media, he went on a dating site and soon established a long-distance relationship with 33-year-old Merly Andrea Rengifo Cuadros, a housemaid from Cali and mother of two.[3] After talking to her for some time, he finally admitted that he was imprisoned, but claimed that he was an innocent man who was wrongfully convicted because of an extortion plot.[4] Rengifo believed his lies and did not inquire further about his background, and would go so far to visit him once per month for conjugal visits. Sarmiento slowly grew more and more controlling of her, frequently demanding that she tell him who she was with and send real-time photos to confirm where she was at.[4]

On Mother's Day, May 14, 2023, Rengifo decided to visit her boyfriend in prison. An argument suddenly erupted between them, after which Sarmiento grabbed a shiv and cut her throat.[2] According to INPEC employees, the victim was found inside the cell at 10:05 AM, showing extensive bruises on her legs, cheeks, chest and neck.[3] Sarmiento would later say that he inflicted these wounds so "other people would realize that she had an owner."[5]

Following this murder, the Attorney General's Office requested stricter security measures due to the fact Sarmiento was too dangerous to be housed with other inmates. He was subsequently charged with femicide, and is currently awaiting trial.[6]

See also[edit]

References[edit]

  1. ^ a b c "Impactamente feminicidio en cárcel de máxima seguridad" [Shocking femicide in maximum security prison.]. El Pereirano (in Spanish). May 15, 2023. Archived from the original on November 14, 2023.
  2. ^ a b "Feminicida en serie asesinó a otra mujer en la cárcel: Merly era su pareja y la mató en la visita conyugal" [Serial killer murdered another woman in prison: Merly was his partner and he killed her during a conjugal visit]. El Nuevo Día (in Spanish). May 15, 2023. Archived from the original on November 14, 2023.
  3. ^ a b ""Él tenía ya dos feminicidios, el de mi hermana era el tercero": familia de la caleña asesinada en cárcel de Cómbita habla del dramático hecho" ["He already had two femicides, my sister's was the third": family of the woman from Cali murdered in Cómbita prison talks about the dramatic event]. El País (in Spanish). May 16, 2023. Archived from the original on November 14, 2023.
  4. ^ a b "Feminicidio en prisión: la historia de Efraín Sarmiento Cuero y sus tres mujeres víctimas" [Femicide in prison: the story of Efraín Sarmiento Cuero and his three female victims]. Agencia de Periodismo Investigativo (in Spanish). May 17, 2023. Archived from the original on November 14, 2023.
  5. ^ Óscar Javier Bueno (May 16, 2023). "Fiscalía imputa por feminicidio a recluso que asesinó a su pareja en la cárcel de Cómbita" [Prosecutor's Office charges femicide to inmate who murdered his partner in Cómbita prison]. RCN Radio (in Spanish). Archived from the original on November 14, 2023.
  6. ^ Juan Fernando Lòpez (May 15, 2023). "¡Qué horror! Sujeto que está preso por matar a otras dos mujeres asesinó a su pareja durante la visita conyugal" [How awful! Subject who is imprisoned for killing two other women murdered his partner during a conjugal visit]. Agencia de Medios Hoy Noticias (in Spanish). Archived from the original on November 14, 2023.
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