Melissa Raye is the unhealthy mother of teenager Karen Raye. She abused her daughter and violated her privacy by actions including watching her undress and sniffing her hair, and she forbade her from a life outside of her home, so Karen dated Keith Vaneshun and had sex with him in spite of him being a legal adult.
Karen lied over a pay phone she was raped to cover up the meeting when she had a fallout with Vaneshun. Karen eventually revealed the truth, as she was afraid of her mother’s reactions. It’s unknown what happened to Melissa considering the danger she posed to Karen. (SVU: "Chat Room")