Betsy Voigt disappeared last Nov. 20. Two city workers found her body in a section of Walnut Creek, off Buck Jones Road, on March 5.
A preliminary autopsy report shows no signs of trauma.
Investigators have ordered a toxicology report. Police said that several people who saw Voigt before she disappeared said she was intoxicated.
Copyright 2022 by Capitol Broadcasting Company. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.