Optography: The Science of the Last Thing You See
In 1924, Fritz Heinrich Angerstein was arrested for eight murders in Germany. His wife, mother-in-law, sister-in-law, and several household employees were all dead. Angerstein blamed bandits for the carnage, but the poli...
https://www.neatorama.com/2023/09/16/Optography-The-Science-of-the-Last-Thing-You-See/