New answers tagged physical
The reality is they don't work effectively. They test stress and emotional response to stress, which can be an indicator. So you are correct, they can be 'beaten' if the person is stressed by other reasons (such as 'I am being questioned on a lie detector' can be scary enough...) or if someone is a sociopath and has no real response emotionally anyway. ...
Go to http://findmymobile.samsung.com/ and sign in using your Samsung account.
Did you visit Google Device Manager? If it is enabled, you can wee the precise device location. Also geotags of the photos may help.
Yes you could download the image and check the exif data. Some devices store the GPS co-ordinates as far as I know
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