The son of a family of devout Jehovah's Witnesses is accused of killing his teacher after being caught fleeing the scene of her murder. Meanwhile, the team is hired by the Democratic National Committe…

When a female soldier charges a commanding officer with sexual assault, Lightman is brought to Fort Meade to find out if there's any truth to the accusation. Meanwhile, the Lightman Group is hired to …

The murder of a teenage girl – who is the daughter of a powerful federal judge – leads The Lightman Group to a highly competitive college-prep school where getting to the head of the class means every…

At a state wedding, Lightman and his team work to prevent the assassination of a South Korean ambassador. But when someone else is shot, Lightman exposes long-held family secrets and lies to identify …

Lightman and Torres interrogate an imprisoned gang leader who claims to be rehabilitated. If the gang leader is freed, he might help fight inner-city violence or return to his life of crime. Foster an…

Lightman and Foster investigate the disappearance of an 11-year-old girl who may have been murdered. Meanwhile, Loker and Torres must determine whether a famous peace activist is who she claims to be …

When Lightman is hired to find a corporate spy at a pharmaceutical company, he discovers a high-level conspiracy surrounding a new drug that could put thousands of lives at risk. The team is also hire…

Lightman becomes obsessed with his investigation of two young women who committed suicide. Meanwhile, the team tries to recover billions of dollars for investors who were bilked by a Ponzi scheme.

In the wake of a building collapse in a small town outside Washington, Lightman is brought in to determine who is at fault, and he discovers a massive cover-up. Meanwhile, the team is hired by a "dot-…

When Assistant U.S. Attorney Zoe Landau, Lightman's ex-wife and Emily's mother, enlists Lightman to help investigate an arson case in which the only eyewitness is a 5-year-old boy, it quickly becomes …

The Lightman Group gets embroiled in the controversial case of a policeman who shot a potentially innocent teenager. Meanwhile, investors who were bilked by a Ponzi scheme are suing The Lightman Group…

Ben Reynolds, an FBI agent who's been pursuing a serial rapist terrorizing the Washington area, partners with The Lightman Group for its toughest case yet. Lightman infiltrates a prison to befriend An…

After a terrorist bombing outside of Washington, DC, FBI Agent Ben Reynolds calls on The Lightman Group to help identify those responsible and prevent more attacks. The case takes a personal turn for …

A young woman approaches Lightman at his book signing, believing she has seen a murder. Lightman finds that the woman has multiple personalities, and he believes that one of her personalities witnesse…

Zoe enlists Lightman to help with her client -- a 22 year-old black star college football player who has been accused of statutory rape with a white 16 year-old girl. The case hits home for Lightman, …

While on vacation in Mexico with Emily, Lightman becomes involved in the case of a missing American woman, who is a single mother on vacation with her daughter. Upon investigation, Lightman learns tha…

Eric Matheson (Garret Dillahunt) is determined to prove that he didn't murder his wife. Torres is assigned to investigate the murder, and goes to the house of the victim's sister. Matheson finds Torre…

When Cal's old pal, Terry Marsh, comes to town, he brings plenty of trouble with him. Meanwhile, the rest of the team meets with some students from a prep school to determine if any of them are respon…

After a federal witness is killed, the US attorney arrives at the Lightman Group to take the next witness in line, Reynolds, into protected custody. Cal feels that the US Marshals Service cannot prote…

The Lightman Group helps a teenager who believes he was abducted as a baby, while Loker and Torres try to figure out what caused a deadly stampede at an electronics store.

Cal spends the holidays in Afghanistan, where he relies solely on an American expatriate to help a mission to find a pair of missing Marines.

Lightman, Foster and Reynolds travel to Las Vegas to help locate a missing finalist in the World Series of Poker. Lightman uses his skills to read the other competitors' faces to figure out which one …

A protesting farmer parks his explosives-packed tractor near the US Treasury building. Meanwhile, Loker plays babysitter to third-graders stuck in the Lightman Group office, actress Felicia Day guest …

Lightman investigates one of his mentor's graduate students, whom he is convinced is a psychopath, while Loker and Torres look into a UFO sighting.

An Irish terrorist comes to Dr. Lightman to find out who killed his wife and daughter seven years ago, which reveals secrets about Lightman's relationship with Dr. Foster and his past job working coun…

Lightman is an expert witness at the trial of a woman charged with murdering her high-powered, and much older, husband.

Lightman is confronted with unsettling truths about his past while trying to save an Iraq war veteran.

After a grisly shooting in a federal housing project, Lightman is hired to read the face of the paralyzed victim.

When a pregnant girl is found murdered, Cal and the LMG team help Torres try to clear her juvenile-delinquent sister of charges, and protect her from the real killer.

The Lightman Group investigates when a young woman is killed at a political rally in Virginia.

A fighter in an underground club is found dead; Foster discovers a troubling secret.

Lightman and his ex-wife, Zoe witness the execution of a murderer they prosecuted 17 years ago and face the possibility that they sent the wrong man to his death.

After Foster's boyfriend, Dave Burns (guest star Martini), gets abducted Lightman tries to track him down with the help of Burns' mysterious ex partner.

A missing woman leads the Lightman group to discover criminal activity in the adult film industry.

The Lightman Group investigates the murder of a journalist and friend of Lightman’s who was killed while exposing a corrupt politician

Lightman tries to stop a man intent on revenge from robbing a bank.

While defending a wrongly accused man, Lightman uncovers a dark secret that helps a damaged woman and her daughter.

The Lightman Group gets hired by Internal Affairs to investigate an incident that involves Det. Wallowski and her partner Det. Farr.

Lightman becomes involved in a dangerous game of cat-and-mouse when he meets a beautiful woman at an art gallery. Meanwhile, Torres is still reeling after her fatal mistake.

When Lightman investigates an explosion that killed six coal miners, he suspects foul play may be involved and goes below the surface to find the truth; the FBI seeks the Lightman Group's help with an…

Lightman goes head-to-head with the leader of a self-help empire to free a wealthy woman who may be under the control of the cult-like leader. When Lightman begins to investigate, things get personal …

Lightman tries to help a woman with early-onset Alzheimer's piece together her fragmented memories, but it uncovers a deadly secret.

Lightman is hired by a terminally ill restaurant owner to find his daughter's killer as his dying wish.

Cal Lightman questions his own sanity while he tries to get a patient released from a mental hospital.

A wealthy woman asks Lightman to look into her new boyfriend's background.

Lightman investigates three high school students responsible for a deadly traffic accident.

A baby goes missing, and her mother accuses an unknown person of the kidnapping. When Lightman sees she’s hiding something, he digs deeper and discovers a family in need of repair.

Foster’s former patient, one of the founders of a social-networking app, comes to the Lightman Group when she thinks she’s being squeezed out by her partner. When she turns up dead a short time later,…