In an effort to apprehend a serial rapist now responsible for murders, FBI Special Agent Don Eppes enlists the aid of his exceptionally gifted brother, Charlie. Utilizing a complex mathematical formula, Charlie analyzes the locations of the…

Charlie had foreseen precisely where the bank robbers would make their next move. Yet, when Don and his team moved in, a fierce gun battle erupted, claiming four lives—among them an officer. The incident deeply unsettled Charlie, prompting …

Across Los Angeles, individuals from disparate walks of life began falling gravely ill, their deaths occurring with unsettling synchronicity on a single day. Haunted by the possibility of bioterrorism, Don wrestled with the fear that a leth…

The death of a CalSci engineering student, ruled an apparent suicide, prompts Charlie to persuade Don to open an inquiry. Having read the student’s thesis – which boldly claimed that Los Angeles's architecturally stunning Cole Center was st…

The disappearance of a five-year-old girl snatched from her birthday party thrust Don and Terry into an investigation, one complicated by the need to enlist Charlie’s assistance. The girl’s father, Ethan, was himself a mathematician, and it…

During a consultation with the NTSB at the crash site, Don discovered this tragedy belonged to a disturbing sequence – meticulously staged accidents stemming from railroad negligence. Following the established pattern of previous train wrec…

Don discovered that counterfeiters were operating, producing low-value bills and holding an artist captive to create the illustrations. He worried that if the woman wasn't found quickly, she would be killed once her work on the fake currenc…

A man wanted in connection with stock fraud was discovered strangled in his apartment, the circumstances unsettlingly reminiscent of a murder Don had closed out a year prior—a case resolved when an ex-convict confessed. Now, compelled to re…

A wave of panic gripped the city as a sniper launched a terrifying spree, claiming the lives of several people seemingly at random, among them a postal worker. The investigation quickly uncovered a disturbing truth: this was not the work of…

A truck transporting radioactive material has been stolen, and the perpetrators are demanding twenty million dollars. They’ve issued a twelve-hour ultimatum: unless their ransom is paid, they intend to detonate a radiological dispersal devi…

A prominent computer science researcher, deeply involved in a sensitive government undertaking, was discovered dead in his Hollywood Hills residence, with data missing from his computer. The ensuing investigation uncovered a contentious div…

Don and Agent Weston of the NTSB were tasked with examining eyewitness reports concerning an unidentified aerial object that had flown alarmingly close to downtown Los Angeles, sparking fears of a potential terrorist attack. When Charlie jo…

When a prison bus overturned, a notorious criminal escaped, and the FBI grew concerned he was seeking retribution against the witness whose testimony had secured his imprisonment. Locating the fugitive proved to be an intricate undertaking.…