Three Area Men Found Guilty in Series of Armed Robberies

Three area men have been found guilty of federal charges from ten armed robberies of gas stations, liquor stores, convenience stores, and restaurants, all committed within a four-week period in 2018.

Those convicted yesterday of federal conspiracy, robbery, and weapons charges include Enyianna Onyewu, 29, of Silver Spring, Emmanuel Sumo, 27, of Takoma Park, and Quaysa Flumo, 34, of Washington, D.C.

The verdict was announced by U.S. Attorney Matthew M. Graves, Wayne A. Jacobs, Special Agent in Charge of the FBI’s Washington Field Office Criminal Division, Montgomery County Police chief Marcus G. Jones, and Takoma Park Police chief Antonio DeVaul.

“According to the government’s evidence, throughout January 2018, the defendants, working together, robbed a series of gas stations, liquor stores, convenience stores, and restaurants in the Washington, D.C. metropolitan area,” the U.S. Attorney’s Office said in a press release. “In each of the robberies, the defendants were armed with a .45 caliber handgun. They wore masks and gloves to avoid being identified. In several robberies, they physically assaulted store employees and put the gun directly to the heads of their victims. The robberies took place at various hours, including some in broad daylight. The victims remain shaken and shocked by the incidents. Fortunately, none of them sustained serious physical injuries.

“During the trial, the government presented testimony from nearly 30 witnesses. The first robbery took place on Jan. 2, 2018, at a gas station in Silver Spring. Other targets were in Takoma Park, Maryland, Silver Spring, Maryland, Northwest Washington, and Arlington, Virginia. On Jan. 10, 2018, two robberies took place within a 45-minute period. The final robbery in the series took place on Jan. 29, 2018, at another gas station in Silver Spring.”

Onyewu was arrested on Oct. 22, 2020. Sumo was arrested on Nov. 23, 2020, and Flumo was arrested on April 27, 2021. Onyewu is to be sentenced on July 22, Flumo on August 12, and Sumo on August 26.

U.S. Department of Justice Graphic

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