St. Mary's Co. UPDATE-Double Homicide Investigation in Lexington Park

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UPDATE: The victims of the double homicide have been identified as Martina Lynn Patterson, age 37, and Lyneasha Justice Greenwell, age 6, both of Lexington Park. A warrant has been issued for Wayne Carroll Key Jr., age 42 of Great Mills for the following charges:

Murder First Degree (two counts)

Murder Second Degree (two counts)

Assault First Degree (two counts)

Assault Second Degree (two counts)

Anyone with information on the whereabouts of Wayne Carroll Key Jr., is asked to contact the St. Mary’s County Sheriff’s Office at (301) 475-8008.

Original Release: The St. Mary’s County Sheriff’s Office is conducting a double homicide investigation in the 46800 block of Rogers Drive in Lexington Park, involving an adult victim and a child victim. At this time, the victims have not been positively identified.

Wayne Carroll Key Jr., age 42 of Great Mills, has been developed as a person of interest in this case. Key is also wanted on prior warrants for burglary, assault, harassment, child support, and is being sought for questioning in this homicide investigation. Anyone with information on the whereabouts of Wayne Carroll Key Jr., is asked to contact the St. Mary’s County Sheriff’s Office at (301) 475-8008.

Citizens may remain anonymous and contact Crime Solvers at (301) 475-3333, or text a tip to “TIP239” plus their message to “CRIMES” (274637). Through the Crime Solvers Program tipsters are eligible for an award of up to $1,000 for information about a crime in St. Mary’s County that leads to an arrest or indictment.

Wayne Carroll Key Jr.​

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.