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Crime suspects could be given away by their eye movements, new research by the University of Nottingham Trent suggests.

Participants in the project were shown this video of a mocked up murder incident, and monitored with eye tracking technology to see if they looked at the weapon, an action described as 鈥渨eapon focus鈥�.

鈥淲e are looking at what people with guilty knowledge of a crime look at in the particular scene...Using quite expensive eye tracking equipment to monitor exactly where they are looking when we present images and text to guilty subjects,鈥� said David Crundall, a professor of psychology at Nottingham Trent University.

This clip is originally from Breakfast on Tuesday 9 September 2014.