A scientist on the run with a valuable formula is murdered, and the only witnesses are eight blind people.
Dennis Price
Allan
Peggy Ann Garner
Helen Hildbrand
Charles Jacquemar
Prof. Hildebrand
Wolfgang Büttner
Killer
Christian Dorn
Carl
Ernst Fritz Fürbringer
Intelligence Chief
Gerhard Kittler
Killer's Boss
Kept Woman
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Dead Man's Folly
Crossword Mysteries: A Puzzle to Die For
Aurora Teagarden Mysteries: Til Death Do Us Part
Murder, She Baked: A Deadly Recipe
Hailey Dean Mysteries: Deadly Estate
A Bone to Pick: An Aurora Teagarden Mystery
Crossword Mysteries: Proposing Murder
Mystery 101: Playing Dead