PGPD PGPD Charges Suspect in Domestic-Related Murder in Upper Marlboro

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Dionte Sims​

The Prince George’s County Police Department’s Homicide Unit charged a suspect in connection with a domestic-related murder in Upper Marlboro. The suspect is 38-year-old Dionte Sims of the 12400 block of Cecily Court in Upper Marlboro. The victim is his fiancé, 39-year-old Dina Taylor of Upper Marlboro.


On September 16, 2021, at approximately 2:20 am, officers responded to the 12400 block of Cecily Court for the report of domestic-related shooting. Once on scene, officers located the victim outside in the roadway suffering from multiple gunshot wounds. She was pronounced dead on the scene.



The suspect barricaded himself inside his residence for several hours prior to be taken into custody by officers. The preliminary investigation revealed Sims shot the victim during an argument. Sims also fired a gun at officers who responded to the scene. He has admitted to shooting Taylor and firing a weapon at officers.



Sims is charged with first and second degree murder. He is also charged with attempted 1st degree murder of two officers. He is in the custody of the Department of Corrections on a no-bond status.



If anyone has information relevant to this investigation, they are asked to please call detectives at 301-516-2512. Callers wishing to remain anonymous may call Crime Solvers at 1-866-411-TIPS(8477), go online at www.pgcrimesolvers.com, or use the “P3 Tips” mobile app (search “P3 Tips” in the Apple Store or Google Play to download the app onto your mobile device.) Please refer to case number 21-0042205.

Disclaimer: In the U.S.A., all persons accused of a crime by the State are presumed to be innocent until proven guilty in a court of law. See: https://so.md/presumed-innocence. Additionally, all of the information provided above is solely from the perspective of the respective law enforcement agency and does not provide any direct input from the accused or persons otherwise mentioned. You can find additional information about the case by searching the Maryland Judiciary Case Search Database using the accused's name and date of birth. The database is online at https://so.md/mdcasesearch . Persons named who have been found innocent or not guilty of all charges in the respective case, and/or have had the case ordered expunged by the court can have their name, age, and city redacted by following the process defined at https://so.md/expungeme.