A young woman approached Lightman at his book signing, convinced she’d witnessed a murder. He quickly discovered the woman suffered from multiple personalities, and he suspected one of those identities had indeed seen the crime. Instead of …

Zoe brought in Lightman to assist with a sensitive case: defending a young black college football star accused of statutory rape involving a sixteen-year-old white girl. The situation resonated deeply with Lightman, who discovered his daugh…

During a vacation in Mexico alongside Emily, Lightman finds himself drawn into the disappearance of an American woman—a single mother traveling with her young daughter. His inquiries reveal she’d become entangled with an illicit fertility b…

Eric Matheson (played by Garret Dillahunt) was insistent on clearing his name after being accused of murdering his wife. Detective Torres was assigned to lead the investigation and visited the victim’s sister’s house. Matheson located Torre…

The arrival of Cal’s longtime friend, Terry Marsh, heralded a fresh wave of complications. Simultaneously, the team convened with a group of students from a prestigious preparatory school, attempting to ascertain whether one of their number…

Following the murder of a federal witness, the U.S. Attorney arrived at the Lightman Group to secure Reynolds, the next in line for protection. Doubting the ability of the US Marshals Service to guarantee Reynolds’ safety, Cal effectively s…

The Lightman Group lends its expertise to a young man convinced he was taken from his parents as an infant, even as Loker and Torres investigate the circumstances surrounding a fatal crush of people within an electronics retailer.

During the holiday season, Cal found himself in Afghanistan, dependent entirely on the assistance of an American living abroad as he worked to locate two missing Marines.

Lightman, Foster, and Reynolds journeyed to Las Vegas, tasked with finding a missing finalist in the World Series of Poker. Lightman employed his perceptive abilities, scrutinizing the faces of the remaining competitors to discern who might…

Outside, a farmer staged a protest, positioning his tractor—laden with explosives—near the US Treasury building. Inside the Lightman Group offices, Loker found himself unexpectedly in charge of a class of third-graders, actress Felicia Day …

Lightman found himself scrutinizing a graduate student of his former professor, increasingly certain of a disturbing psychological profile. Meanwhile, Loker and Torres were assigned to investigate a reported unidentified flying object.

A man claiming allegiance to an Irish militant group seeks out Dr. Lightman, driven by a desire to uncover the truth behind the deaths of his wife and daughter seven years prior. This request unexpectedly pulls Lightman into a web of buried…

Dr. Lightman served as an expert witness in the trial concerning a woman accused of killing her wealthy, considerably older husband.

As Lightman struggles to help an Iraqi War veteran, he finds himself facing disturbing revelations concerning his own history.

In the wake of a brutal shooting at a government-managed housing complex, Lightman was engaged to study the features of the paralyzed man who survived.

The discovery of a murdered pregnant teenager draws Cal and the LMG team into a case where they assist Torres in defending the victim’s troubled younger sister against accusations, while simultaneously shielding her from the truth about who…

The Lightman Group was called in to examine the circumstances surrounding the death of a young woman at a political gathering in Virginia.

The discovery of a lifeless body within the confines of a clandestine fighting club sent ripples through the city’s underbelly. Foster, drawn into the investigation, unearthed a disturbing truth that threatened to shatter his understanding …

As Lightman and his former wife, Zoe watched the execution unfold, a chilling realization dawned: the man about to die was one they had jointly prosecuted seventeen years prior. The sight stirred a disquieting doubt—a nagging question of wh…

When Foster’s boyfriend, Dave Burns—played as a guest star by Martini—is taken, Lightman sets out to find him, aided by Burns’ enigmatic former colleague.

The disappearance of a woman unexpectedly drew the Lightman Group into the shadowy world of adult filmmaking, revealing a disturbing undercurrent of criminal enterprise.

The Lightman Group found itself embroiled in a case involving the death of a journalist—a personal acquaintance of Lightman's—who had been fatally wounded while uncovering evidence of political corruption.