Mayberry was last seen at a diner in Fort Worth, Texas during the early morning hours of March 6, 1997. She called a friend and requested a ride home. Mayberry was crying during the conversation. She was driving a gray 1989 Hyundai with Texas license plates numbered GFF06N. It has not been located. She was involved with minor law infractions in 1997, but was working to clear her record. Mayberry resided in a mobile home in Saginaw, Texas. Her four dogs were discovered unattended and her television set was turned on shortly after she disappeared.