Borden was last seen by her family on October 10, 1979 in Big Spring, Texas. She called her relatives later in the month from California. She was last known to be in Lodi, San Joaquin County. Her boyfriend sent her a plane ticket; it was never retrieved by Borden. She is a known hitchhiker. An unknown friend told Lisa's family that she was in Amarillo working as a waitress, but gave no further details. She was reported missing by her sister.