Siya Goyal has given her consent to undergo a polygraph test in connection with the murder of her fiance, realtor Ketan Agarwal, who was pushed to his death from a cliff at Lohagad Fort in Maharashtra ...

In a major development in the murder case of Pune-based realtor Ketan Agarwal, the main accused, Siya Goyal, has agreed to undergo a polygraph, or lie detector, test. Following her consent, police ...

Polygraph tests can supposedly detect when a person is lying. But how can a machine do that, and can we really trust the ...