Top Eight List Of Suspicious Behaviors (Slashdot)

-A change in the voice's pitch.
-A change in the rate of speech.
-A sudden increase in the number of "ums" and "ahs."
-A change in eye contact. Normally, one makes eye contact one-quarter to one-half of the time. If suddenly, at the convenient moment to lie, he's staring at you or looking away, beware.
-Turning his body away from you, even if just slightly.
-Suddenly being able to see the white on the top and bottom of a person's eyes, not just the sides.
-A hand reaching, even if momentarily, to cover part of the face, especially the mouth.
-Nervous movement of feet or legs.