The world's leading deception researcher, Dr. Cal Lightman, studies facial expression, body language and tone of voice to determine when a person is lying and why, which helps law enforcement and government agencies uncover the truth. But his skills also make it easier for him to deceive others.

The origins of Kwanzaa and the seven principles upon which the pan-African holiday derives its meaning are explored in this fascinating documentary. Narrated by Maya Angelou.

The lives and cases of young lawyers who work on opposite sides - the public defender's office and the district attorney's office - as well as those who sit in judgment on their cases.

From murder and espionage to terrorism and stolen submarines, a team of special agents investigates any crime that has a shred of evidence connected to Navy and Marine Corps personnel, regardless of rank or position.