Maryland Man Sentenced to 16 Years in Prison for Murdering His Girlfriend’s Husband

WASHINGTON - Keyon Slaughter, 28, of Waldorf, Maryland, was sentenced to 16 years in prison for the December 2022 murder of Dana Bailey, Jr., announced U.S. Attorney Jeanine Ferris Pirro.

Slaughter pleaded guilty to second-degree murder while armed on June 20, 2025. Slaughter was sentenced on September 12, 2025, by the Honorable Danya Dayson. In addition to the prison term, Judge Dayson ordered Slaughter to serve five years of supervised release.

According to a proffer of facts submitted at the plea hearing, on December 5, 2022, at approximately 10:15 a.m., Slaughter entered, the victim, Dana Bailey, Jr.'s, residence in Southeast D.C. Once inside the apartment, Slaughter confronted Mr. Bailey and shot him once in the chest with a .40 caliber handgun, causing his death. Slaughter fled the apartment. At the time of the murder, Slaughter was in a relationship with the wife of Mr. Bailey, who was indicted with Slaughter and pleaded guilty to obstructing justice.

At the time of the offense, Slaughter was on supervised probation for a 2019 armed robbery conspiracy conviction in Charles County, Maryland. Slaughter was arrested in July 2023 and has been detained since.

Joining in the announcement was Chief Pamela Smith of the Metropolitan Police Department (MPD).

In announcing the sentence, U.S. Attorney Pirro and Chief Smith commended the work of those who investigated the case from MPD's Homicide Branch.

Finally, they commended the work of Assistant U.S. Attorney Charles R. Jones, who prosecuted the case.