Initial research found witness pupils got bigger when correctly identifying a criminal.
New study reveals small variations in the background colour of photos in police lineups can increase misidentification.
Even the world’s best available training – used to train police, border control agents and other security personnel – does not compensate for natural talent in face recognition.
Child eyewitnesses make more mistakes than adults when identifying criminals. A new police lineup design could help us assess their reliability and prevent wrongful convictions.
As many as one in 50 people are face blind, meaning they can't tell one face from another.