How to detect a liar? How to catch a liar without high tech equipment such as a lie detector? You need a good eye, good ear and a healthy skepticism.
- People tend to touch their nose and scratch their face when they lie.
- Follow their eyes, liar then to blink a lot and cannot maintain eye contact.
- Check their smile, people who are telling the truth tend to use many facial muscle but liar just smile with their mouth.
- Pay attention to details, liar tend to provide more information that necessary, they are being overly specific when they are making things up.
- Change conversation subject, if they are over relief then it is a sign of lying.