(Harrison Co.) Iowa Attorney General Brenna Bird announced today that Robert Davis of Council Bluffs has been convicted of second-degree murder for the killing of Barbara Lenz. Barbara disappeared from Harrison County in 1989. Davis was arrested on March 10, 2025, and was the first arrest made in a case that the Iowa Cold Case Unit helped investigate.
Barbara Lenz was last seen on Saturday, May 6,1989. Her boyfriend at the time, Robert Davis, reported dropping her off at her Woodbine, Iowa, apartment earlier that day.
Her disappearance was reported to the Woodbine Police Department on May 17, 1989, by family. Over the years, investigations pursued numerous leads and searches, but Barbara was never found. Working with our partners at with the Iowa Division of Criminal Investigation the Iowa Cold Case Unit brought additional resources to dig through information, meet with witnesses, and loosen up leads in Barbara’s case…