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WASHINGTON – June 30, 2025 – Derkwon Johnson, 26, of Washington, D.C., was sentenced today in U.S. District Court to 57 months in prison for unlawfully possessing a firearm equipped with a machine gun conversion device while on probation for prior armed robbery and firearm convictions. The announcement was made by U.S. Attorney Jeanine Ferris Pirro.
Johnson pleaded guilty on January 29, 2025, to one count of unlawful possession of a firearm and ammunition by a convicted felon. In addition to the prison sentence, Judge Loren L. AliKhan imposed three years of supervised release.
Firearm Seized During Search
According to court documents, in January 2024, officers with the Metropolitan Police Department’s Sixth District Crime Suppression Team executed a search warrant at Johnson’s residence on the 3600 block of Minnesota Avenue SE, following social media posts showing drugs, a firearm, and ammunition.
During the early morning operation on January 4, officers found Johnson in a bedroom with his half-sister and her four young children. A loaded Glock 23 pistol, fitted with a machine gun conversion device and containing 28 rounds of ammunition, was recovered from a nightstand in the adjacent bedroom. Additional items seized included:
- A second loaded magazine
- A firearm laser attachment
- Approximately 335 grams of marijuana
- 40 oxycodone pills
- A digital scale
- $4,704 in cash
Investigators also uncovered Instagram messages and videos showing Johnson involved in the distribution of pills and marijuana between October 2023 and January 2024.
Prior Convictions
At the time of his arrest, Johnson was on probation following 2018 convictions in D.C. Superior Court for:
- Two counts of armed robbery
- Two counts of possession of a firearm during a crime of violence
- Assault with a dangerous weapon
- Conspiracy to commit robbery
- Possession with intent to distribute phencyclidine (PCP)
Investigation and Prosecution
This case was investigated by the Metropolitan Police Department, the FBI Washington Field Office, and the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF). It was prosecuted by Assistant U.S. Attorney Sarah Martin.