Ever wonder if someone is lying to you? Former CIA interrogator Philip Houston joined Fox and Friends this morning to offer tips for decoding deceit.

Houston said to look for inappropriate behavioral pauses and delays, verbal and nonverbal disconnects, throat clearing or swallowing, and hand-to-face activity.

According to Houston, investigators don’t use just one of these factors to determine if a person is lying. Instead, they look for clusters of behavior.

Watch the video above to learn more.