The document discusses the fallibility of eyewitness testimony and how unreliable it can be for identifying suspects. Research has shown that eyewitnesses often misidentify suspects, selecting someone who just looks similar rather than the actual perpetrator. Even when given details of the crime, witnesses frequently pick the wrong person out of a lineup. The document cautions that we are not very good at recognizing faces, especially those we are unfamiliar with, and urges relying less on eyewitness testimony alone for convictions.