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Photo for illustration purposes only courtesy of the the Judicial Investigation Organization (OIJ).

U.S. Citizen Pleads Guilty To Killing Wife And Unborn Child In Costa Rica



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Published on Tuesday, April 14, 2026
By the A.M. Costa Rica staff




A 61-year-old U.S. citizen pleaded guilty Monday to killing his wife and their unborn child in Costa Rica, Prosecutor’s Office announced.



According to the authorities, the man, identified by the last name Moriondo, admitted to the murder of his wife, 20-year-old Costa Rican national Centeno-Murillo, during a hearing at the Criminal Court in San Ramón, in Alajuela province.



By entering a guilty plea, Moriondo will face an abbreviated legal process, avoiding a lengthy trial. Prosecutors said the agreement could result in a 25-year prison sentence, following negotiations with the San Ramón Prosecutor’s Office and the attorney representing the victim’s family.



An autopsy determined that Centeno died of asphyxiation caused by a plastic bag. Authorities said her body also showed multiple injuries. She was four months pregnant at the time of her death, and the killing also resulted in the death of the couple’s unborn child.






Moriondo and Centeno were married in October 2023. She was 18 years old at the time, and he was 57.



The case began in January 2025, when Centeno’s mother reported her missing. Relatives who went to the couple’s home in the Santiago District of San Ramón canton said Moriondo told them he did not know where his wife was.



Police arrested Moriondo shortly afterward on suspicion of murder. Hours later, investigators from the Judicial Investigation Organization (OIJ), assisted by canine units, found Centeno’s body in a wooded area near the  La Granja community in Palmares canton, also in Alajuela province.



In September 2025, the family’s attorney said Moriondo faced an additional charge related to the death of the unborn child, after forensic DNA tests confirmed he was the father.







Moriondo remains in pretrial detention at the Jorge Arturo Montero Castro prison, known as La Reforma, in San Rafael canton in Alajuela, where he has been held since January 2025.



The Alajuela court is expected to issue a formal sentence in the coming days.



According to the U.S. Embassy, American citizens arrested abroad are entitled to consular assistance. After notification by local authorities, a consular officer typically visits detainees to check on their well-being, review the circumstances of their arrest and provide information about legal procedures, including a list of attorneys.



Consular officials may also notify family or friends, facilitate the transfer of funds for legal or living expenses, and act as liaisons with relatives upon request.



However, the embassy noted that consular officers cannot act as attorneys, provide legal representation or influence the release of detained U.S. citizens.



For extended prison terms, consular officers are required to visit U.S. detainees at least once every three to four months.



For more information, individuals may contact the U.S. Embassy at 506-2519-2590 or 506-2519-2093. An after-hours emergency line is available at 506-2519-2000.


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Have you heard of cases involving expatriates accused of murder in Costa Rica?
We would like to know your thoughts on this story. Send your comments to news@amcostarica.com




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