f you witnessed a crime, could you be sure you recognised the perpetrator? Our memories are surprisingly vulnerable, and our recollection of names, numbers and details can often be incorrect at the most crucial of moments.
Advances in neuroscience could transform our criminal justice systems. But the jury is out as to whether "my brain made me do it" will ever be accepted in court.
Lesley Stahl reports on flaws in eyewitness testimony that are at the heart of the DNA exonerations of falsely convicted people like Ronald Cotton, who has now forgiven his accuser, Jennifer Thompson