Lie to Me

The son of a family of devout Jehovahs 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 Committee to investigate a second case in which the Chairman of the House Ethics Committee is accused of paying for sex.

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 everything. The team also investigates a NASA test pilot accused of intentionally crashing a $250 million aircraft

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 and Loker investigate the death of a firefighter who was killed in the line of duty.

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 hired by the State Department to assist with negotiations for the release of two Americans imprisoned in Yemen.

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-com" billionaire to determine if his girlfriend loves him for the right reasons.

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 for botching the recovery of their money,

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 one member of the team and begs the question of whether honesty is indeed the best policy. Zoe helps Lightman with the investigation and both are concerned about their daughters safety.

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, who learns that his daughter Emily was friends with the group of girls who attend these college fraternity parties. Through the course of their investigation, Lightman and Torres determine that Zoes client was set-up by the girl, whose friends leaked the video of the hookup. Lightman figures that the man did not know the girl was underage, noting that his face showed that he knew he shouldnt find underage girls attractive. Meanwhile, Foster and Loker travel to a religious compound to determine whether its claim of IRS exemption is valid. They believe the head of the compound is holding the women against their will. Foster facilitates the escape of one woman and her children, and faces the wrath of both Loker and the government. At the end, the girls father believes the system is protecting the football player, and decides that someone has to pay. He shoots the prosecutor that dropped the charges against the football player, with whose death the episode ends.

Eric Matheson (Garret Dillahunt) is determined to prove that he didnt murder his wife. Torres is assigned to investigate the murder, and goes to the house of the victims sister. Matheson finds Torres car and gets into it after she forgot to lock the door. When Torres returns, Matheson holds her at gunpoint, instructing her to drive to the Lightman Group offices. Cal makes a deal with Mattheson, asking him to let all the employees go as long as he helps prove Matthesons innocence. Mattheson complies, and Foster, Loker, Reynolds and Torres attempt to solve the case, while Loker has second thoughts about not calling the authorities. Cal and the team find out that Mattheson was actually innocent, and that his wife was actually killed by a creditor. Mattheson demands that he sees the creditor, saying he will either take his life or Cals. Cal pleads for Mattheson to kill him, but Foster, Loker and Reynolds trick Mattheson into letting his guard down after a disguised Loker pretends to recount the last moments of Matthesons wifes life. As Mattheson is in a moment of rage before killing Loker, Reynolds draws his gun and shoots Mattheson, disarming him. The episode ends with Lightman at Fosters home, asking if he could sleep in her spare room for the night.

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 protect Reynolds, so he takes him "hostage" and demands that he be able to run the investigation into the witnesss death. During his investigation, he finds out that while undercover Reynolds did drugs and killed a man and wants to keep it a secret to avoid prosecution after he finds out that his handler (Alicia Coppola) did not properly report the event. Through his own undercover operation, Cal records the handler admitting that she led Reynolds to believe that everything was all set legally, and the US attorney subsequently takes her into custody. Meanwhile Loker and Torres discover that the original witness was killed after the cell phone that his mistress provided was tracked to his safe houses location.

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.

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 stars as their teacher. Miguel Ferrer guest stars as FBI ASAC Steele, Ben Reynolds boss.

An Irish terrorist comes to Dr. Lightman to find out who killed his wife and daughter seven years ago, which reveals secrets about Lightmans relationship with Dr. Foster and his past job working counter-terrorism for the government.

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

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.

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

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

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

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

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.

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 as he suspects the group of threatening him and his daughter, Emily.

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

A wealthy woman asks Lightman to look into her new boyfriends background.

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.