206 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.
Case Description
Any updates on this case?
On June 22, 1985, Mark Wallace, a 27-year-old white male, sought refuge from a thunderstorm in the tool shed of Robert Berdella, a man he had previously assisted with yard work. Upon discovering Wallace, Berdella invited him into his home under the pretense of offering shelter. Exploiting Wallace's vulnerable state, Berdella administered chlorpromazine to sedate him, subsequently restraining him to a bed. Over the next approximately 24 hours, Wallace was subjected to various forms of torture, in ...Read More
Links to Additional Sources (5)
See any mistakes?Victim Details
Mark Wallace
Male
White / Caucasian
Kansas City
MO
1985-06-22
27
Mark
Wallace
11/11/2025






