Five adults were found dead in a home in La Plata, Maryland, Friday evening, according to the Charles County Sheriff's Office.
A homeowner returned from work to find multiple people dead inside the home in the 3000 block of Wildflower Drive. Deputies responded to reports of a shooting at the location around 4 p.m., according to the sheriff.
In a Saturday update, the sheriff's office said the deaths were a quadruple-murder and suicide.
An initial investigation revealed the suspect Andre Sales, 28, who does not live at the house, killed himself and four others with a gun. The victims are his ex-girlfriend, Sara Mann, 21; her brother Kai Mann, 18; their mother, Sommaly Mann, 48; and another man who was inside the home, Jovon Watson, 23 of White Plains, according to the sheriff.
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Two children were initially unaccounted for but were later found unharmed at a separate location.
Deputies said the scene was contained. They spoke with the homeowner who found the bodies.
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Charles County Sherrif's Office said deputies are processing evidence. Friends and family are being interviewed to help establish a motive.
Anyone with information is asked to call the Charles County Crime Solvers at 1-866-411-TIPS.
This is a developing story. Stay with NBC Washington and News4 for more.