Elaine Frye Cavanaugh was a woman whose daughter Katie Cavanaugh sodomized and killed Marnie Foster. Her other daughter from her first marriage, June Frye, placed the body in a duffel bag in front of a church. While investigating the girl's death, detectives Olivia Benson and Elliot Stabler discover that Elaine sexually abused both of her daughters by sodomizing them.
She was imprisoned for the abuse and first-degree reckless endangerment in Marnie's death. (SVU: "Totem")