Secret Face-Reading Lie Detectors to Spot Fugitives at Airports

Secret lie detectors, which can pick up tell-tale signs of people giving false accounts of themselves, are to be installed "covertly" at a British airport.

High definition video and thermal imaging cameras could be used at passport control or in customs interviews to detect those trying to trick immigration officials.

Know the Lie Detector in the Brain
A circuit in the brain that functions like a lie detector, has been discovered by Scientists from Oxford University.

Scientists hope the technology will enable officials to be able to detect liars "with the click of a button" - but critics fear the devices could violate privacy if they become more widespread.

The system was designed by Hassan Ugail, professor of visual computing at the University of Bradford.

"In an interview you can be talking to a person, then you basically just press a computer button and say: "Was this person lying or not?'," the Daily Mail quoted him as telling The Sunday Times.

Eye Tracking Technology-Based Lie Detector Is Here
Our eye movements have long been thought to reveal whether we are telling the truth or lying. Now a group of University of Utah researchers are using eye-tracking technology to pioneer

The devices work by monitoring tiny changes in facial expression, including eye movement and micro facial expressions, which indicate the increased brain activity as a liar works out the most plausible story.

The brain activity also triggers tiny fluctuations in facial skin temperature, which can be picked up by thermal imaging cameras.

Lie Detector and Narco-analysis Tests Prove of No Avail to Indian Police Probing New Delhi Twin Murder Case
Indian investigators have not made much headway in cracking the sensational twin murder case involving a New Delhi dentist. Even lie detectors and narco-analysis seem to be of little avail.

The pictures are then compared with a computer database containing the types of changes seen in people who are known to be lying.

Those with suspect changes can then be put under deeper scrutiny.

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Ugail is still developing the system, which has a current success rate of 60-70 per cent.

Source-ANI