A deception expert works with law-enforcement agencies, lawyers and private companies to sort out the facts in cases. Based on the real-life experiences of psychologist Paul Ekman, an expert in how facial expressions can betray emotions.
First Aired: April 29, 2009
An undercover cop chasing a drug suspect mistakenly shoots an innocent teen, and Cal is hired to determine the man's intentions. Meanwhile, Loker's lie during a recent Ponzi-scheme investigation could come back to haunt him (and Torres as well) when Cal tells them that they'll be deposed in a lawsuit over the matter; and Cal's suspicions that Foster's husband is having an affair are raised anew when he sees him again with the woman he had seen her with before.