This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated.GREENSBORO, N.C. — Three people were killed, including 10- and 2-year-old girls, according to Greensboro police. Brittany Christina McKinney, 28, is charged with three counts of first-degree murder. The victims were identified as Mkenzie Denise McKinney, 10, Serenity Taliem Rose, 2, and Jerry Griffin, 61. At 11:14 a.m. Wednesday, police responded for a welfare check on the 3600 block of Sweet Birch Drive. When they got to the scene, they say they witnessed an aggravated assault. At about 2:20 p.m., police said they had begun investigating the case as a homicide.