Investigation Discovery Police search for a killer who guns down a man in a parking lot. 2026-08-30 A vehicle plows down a 75-year-old military veteran on a country road in an apparent hit-and-run; when a young man confesses to the crime, detectives quickly learn they've encountered a psychopath with an intense desire to thrill kill. 2026-08-30 When a young mother goes missing, her husband joins the search; police discover her dismembered body in a stack of bins; detectives find her husband to be a typical suburban dad, but learn a murderous psychopath lurks within. 2026-08-30 A killer guns down a 46-year-old woman, and detectives discover that a fleeing Sheriff's Deputy is the assailant; less than 48 hours later, they arrest him and reveal an unrepentant psychopath capable of executing the love of his life in cold blood. 2026-08-30 After the shooting deaths of father, mother, and two adolescent boys in their suburban Baltimore home, investigators realize it's not a robbery gone wrong but rather the execution of a loving family, done by a callous psychopathic killer. 2026-08-30 An early morning fire inside an apartment complex soon reveals something worse, the dead bodies of a young woman and an infant boy; detectives find a psychopath who appears polite and gentle, then later as a pawn of imagined demons. 2026-08-30 Police first arrest a man for discharging a firearm and soon discover dead bodies inside his apartment; detectives try to make sense of the bloody crime scene and a psychopath willing to murder those closest to him. 2026-08-30 Teens plot the murders of their friends; one scheme involves a manipulative ex and a group bent on blood; the other, a calculating teen who brags on camera about a killing months in the making; both reveal the darkness of youth gone cold. 2026-08-30 Michelle looks up to her father, but over time, fear and disgust replaces respect; as a teen, her world changes forever as horrific revelations buried for years finally emerge; Michelle's father must answer for his crimes. 2026-08-30 Sidney Dorsey is the first African American sheriff in DeKalb County, Ga.; after he wins on an anti-corruption ticket, revelations of him abusing the power of the office for money, sexual favors and deadly vengeance shock voters. 2026-08-31 During the day, Lorenzo Gilyard is a soft-spoken and well-liked man, but at night, he's a monster, preying on women; his best friend, a trained social worker, misses the signs; going inside the prison to get answers from the notorious serial killer. 2026-08-31 Larry Nassar becomes the go-to doctor for treating injured gymnasts after he helps the USA win Olympic gold; young women flock to him for rehabilitation; it takes years before the true cost of his medal-winning techniques comes to light. 2026-08-31 Teens plot the murders of their friends; one scheme involves a manipulative ex and a group bent on blood; the other, a calculating teen who brags on camera about a killing months in the making; both reveal the darkness of youth gone cold. 2026-08-31 During the day, Lorenzo Gilyard is a soft-spoken and well-liked man, but at night, he's a monster, preying on women; his best friend, a trained social worker, misses the signs; going inside the prison to get answers from the notorious serial killer. 2026-08-31 Larry Nassar becomes the go-to doctor for treating injured gymnasts after he helps the USA win Olympic gold; young women flock to him for rehabilitation; it takes years before the true cost of his medal-winning techniques comes to light. 2026-08-31 Police engage in a massive manhunt to find a killer on a murder spree of revenge, taking the lives of his girlfriend, cousin, and a man he considers a father figure; once captured, he proclaims that he simply wants to be heard. 2026-08-31 Authorities grow concerned when a 25-year-old woman reports her 50-year-old father and 6-year-old daughter are missing; police discover their dead bodies and uncover the truth: she is a psychotic killer. 2026-08-31 A psychopathic killer confesses decades after the murders of three women. 2026-08-31 Police search for a killer who guns down a man in a parking lot. 2026-08-31 A vehicle plows down a 75-year-old military veteran on a country road in an apparent hit-and-run; when a young man confesses to the crime, detectives quickly learn they've encountered a psychopath with an intense desire to thrill kill. 2026-08-31 When a young mother goes missing, her husband joins the search; police discover her dismembered body in a stack of bins; detectives find her husband to be a typical suburban dad, but learn a murderous psychopath lurks within. 2026-08-31 Teens plot the murders of their friends; one scheme involves a manipulative ex and a group bent on blood; the other, a calculating teen who brags on camera about a killing months in the making; both reveal the darkness of youth gone cold. 2026-08-31 A volunteer police officer is shot dead in her suburban Dallas home. 2026-08-31 The key to solving homicides lies somewhere within the final 24 hours of the victim's life. 2026-08-31 The key to solving homicides lies somewhere within the final 24 hours of the victim's life. 2026-08-31 A volunteer police officer is shot dead in her suburban Dallas home. 2026-08-31 The key to solving homicides lies somewhere within the final 24 hours of the victim's life. 2026-08-31 The key to solving homicides lies somewhere within the final 24 hours of the victim's life. 2026-08-31 A volunteer police officer is shot dead in her suburban Dallas home. 2026-08-31 A celebrity facialist says a stalker torments her in L.A.'s brutal beauty world; as her story unravels, so do her lies until police reveal the twist; nothing in this case is what it seems. 2026-08-31 A celebrity facialist spirals after online attacks and stalking she believes are by a rival; when her supposed tormentors turn out to be friends, the case becomes a story of revenge and an alleged murder-for-hire plot that upends all assumptions. 2026-08-31 A trusted principal secretly hypnotizes students, the town sees inspiration until three teens die; families demand answers, ignored warnings, erased tapes and hidden sessions reveal a darker truth behind the man everyone thought they knew. 2026-08-31 A woman weaponizes empathy, faking illnesses and tragedies across state lines; as victims unite, her pattern snaps into focus: an opportunist who doesn't just mimic suffering but steals it, reinventing herself wherever she goes. 2026-08-31 A sudden wave of tics among teenage girls ignites panic, drawing reporters and medical experts into the town; under scrutiny, the girls navigate doctor visits, judgment and cameras as the real cause fades beneath hysteria and competing theories. 2026-08-31 In rural Pennsylvania, an elderly widow's extreme fear of being buried underground leads her to make an unthinkable decision; for years, her small town keeps her secret, but when investigators finally arrive, they uncover more questions than answers. 2026-08-31 Investigators find a 14-year-old pitcher dead, and the discovery shocks residents in Davis, California, as a baseball rivalry emerges as a possible motive. 2026-08-31 MLB player Dernell Stenson vanishes during the 2003 Arizona Fall League; Stenson is found bound, shot, and run over by his own SUV; a conspiracy sparks fears that a killer is hunting professional athletes. 2026-09-01