Retired Guam cop, two others are arrested

Posted on Jun 27 2019

HAGATNA—Retired police officer John Topasna Mantanona was arrested yesterday and charged with obstructing justice by endeavoring to influence a juror and conspiracy to distribute methamphetamine hydrochloride.

His brother, William Topasna Mantanona, was also arrested yesterday and charged with obstructing justice by trying to influence a juror and lying to a federal agent.

Additionally, Gregorio Concepcion Tyquiengco, who had served as a juror in the case of United States v. Raymond John Martinez and Juanita Marie Quitugua Moser, was arrested yesterday and charged with contempt of court.

John Mantanona was arrested in Inarajan, Tyquiengco was arrested in Merizo, and William Mantanona was arrested in Chalan Pago, Guam.

The case was investigated by the Federal Bureau of Investigation, Bureau of Alcohol, Tobacco, Firearms and Explosives, Homeland Security Investigations, Coast Guard Investigative Service, United States Marshals Service, and United States Postal Inspection Service. (PR)

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