In 1846, Joesph Leidy was the first person to solve a crime using a microscope. A famer claimed the blood on his clothes was chicken blood. Joseph Leidy showed that it was not chicken blood using a microscope.
Trish Vickers, a blind author, wrote 26 pages of her first novel without realising her pen had run out of ink. The local police force used their forensic lab to find the missing words, and the book was published on the day of her death.
There is something called the “CSI effect”. Because of television crime dramas, jurors have unrealistic expectations of forensic science and investigation techniques.