1. Scorned

A love triangle leads to years of stalking, property destruction, threats, and murder.

2. Mystery on the Mississippi

When a mother of four dies unexpectedly on Valentine's Day, her death is attributed to natural causes, but a detective suspects that someone murdered the woman.

3. At The Bottom of The Pool

When a model and up-and-coming YouTube celebrity turns up dead, police question her husband in the hope he can shed some light on the situation.

4. One Moment

As a murder victim's sisters dedicate themselves to finding the killer, an unexpected source turns the case upside down.

5. The Halloween Party

A community comes together to search for a young woman who goes missing from a Halloween party.

6. Secret In Silver Lakes

A young father's murder at work leads investigators to deep secrets about sex, friendship, religion and family.

7. The Prophet's Daughter

Author Rachel Jeffs talks about what it was like to grow up as the daughter of the self-proclaimed prophet of the Fundamentalist Church of Jesus Christ of Latter-Day Saints, Warren Jeffs.

8. Black Friday

An investigation of a woman found murdered in Fort Worth, Texas.

9. Unthinkable: The Menendez Murders

A comprehensive look at the 1989 murders of José and Kitty Menendez by their sons, Lyle and Erik; featuring interviews with key players in the case, including Lyle Menendez.

10. Finding Sarah Goode

11. Poisoned

An anonymous letter leads authorities investigating the poisoning death of a chiropractor to an unlikely suspect.

12. The Favorite Son

A small-business owner and his bride are murdered shortly after their wedding; police suspect a family feud is the cause.

13. Under The Desert Sky - Update

15. Before Dawn- Update

16. Silent No More

Former USA Gymnastics national team coordinators Bela and Martha Karolyi talk with Savannah Guthrie about the Olympic sex abuse scandal; Olympic gold medalist McKayla Maroney describes the sexual assault she endured.

17. The Women and Dirty John

A look at the case of con man John Meehan, including interviews with his wife and her daughter, his ex-wife, law enforcement officers, and the Los Angeles Times reporter who shined a spotlight on the story.

19. Unspeakable

A couple's anniversary celebration ends in murder during what appears to have been a home invasion, but investigators believe the suspect might be connected to the victim.

20. Out There In The Dark

Brandy Daniels believed someone was stalking her. Then, the single mother was found slumped over in her car, shot dead. Investigators would spend years navigating the twists and turns searching for her killer.

21. The Pink Gun Mystery

When a complicated Texas love triangle ends in murder, a pink gun leads to an arrest, until new evidence prompts investigators to rethink the case.

22. The Farm

A murder outside Pleasantville, Iowa, divides a family and forces one man to take the investigation into his own hands.

23. Secrets of Emerald Coast

When a young mother disappears after leaving her infant in the care of her local pastor and his wife, Florida detectives search for her for five years, uncovering a web of secrets and lies.

24. No Way Out

The idyllic town of Montecito was threatened by the worst wildfire in California history, then inundated by catastrophic mudslides. Keith Morrison reports on four families who barely escaped alive, and the rescuers who risked their own lives to help

25. Deep In The Woods

When a young Army medic based at Ft. Bragg, N.C., goes missing, police can't solve the case despite having a suspect until an unorthodox private investigator steps in to help.

26. The Night of The New Moon

A former marine who once was the hero for a woman in an abusive marriage may have let his desire to help go too far.

27. A Crack in Everything

A woman's death is initially ruled a suicide, but when a new investigation begins, police begin to suspect murder.

28. Fire and Faith

When dozens of homeowners find themselves on a Napa Valley hilltop surrounded by fire, two teams of daring chopper pilots risk their lives in a mission to rescue them.

29. Inside the Hunt for El Chapo

Former DEA agent Andrew Hogan details his search for Mexican drug lord Joaquín "El Chapo" Guzmán with never-before-seen videos and photographs.

30. Cold Blooded

When a young Florida law professor is shot, baffling his family, friends and police, a complicated investigation leads police to a surprising theory of the crime; the victim's family speaks out for the first time.

31. No Way Out

The idyllic town of Montecito was threatened by the worst wildfire in California history, then inundated by catastrophic mudslides. Keith Morrison reports on four families who barely escaped alive, and the rescuers who risked their own lives to help

32. Simply Diabolical

A bizarre cyber-revenge case lands a young woman in jail and makes national headlines. Dennis Murphy reports on the unexpected twist that revealed the real culprit and the new developments in the case.

33. Deadly Circumstances

Andrea Canning reports on a murdered Tennessee woman whose case stumps investigators.

34. Into The Night

The disappearance of a young woman from Bend, Ore., leads to an intense manhunt after the suspect embarks on a two state crime spree.

35. Twisted in Texas

When one woman breaks off her relationship with a boyfriend she says abused and stalked her, he moves on to something even worse.

36. The Creek

After a 15-year-old girl disappears, investigators discover a creek where the local teenagers hang out that may hold the answer to her disappearance.

37. Dreams and Nightmares: The Meek Mill Story

Rapper Meek Mill interview; exploring controversies surrounding the criminal justice system, including the parole system, wrongful convictions, challenges faced by law enforcement, alleged police abuse and more.

38. Silent Witness

When a young woman is found dead in a field on the outskirts of Green Bay, Wis., a fitness tracker helps detectives solve the mystery.

39. The House on Pitch Pine Crescent

In a suburb of Toronto, a family lives in fear as one relative after another is found dead over the years in the same house.

40. Growing Promise

A look at the future of marijuana in the United States, including state-of-the-art science and interviews with patients, their families, leading scientists, doctors, federal legislators and a former professional football player.

41. Mystery On The Mississippi

43. Bringing Down Bill Cosby

Interview with Andrea Constand, the first woman to pursue charges against Bill Cosby, and four other Cosby accusers who testified against him.

44. The College Fraternity Crisis

Sixteen parents fighting to end college hazing at fraternities speak out together for the first time; cases of alleged hazing at various universities.

45. The Watcher

A recent law school graduate in Georgia who has a promising future disappears without a trace.

46. The Women & Dirty John - Update

47. The Other Side of Paradise

Keith Morrison follows a cold case for nearly 10 years, as a father fights to bring his daughter’s killer to justice through one setback after another.

48. Fathers Day

A woman's DNA test sends her father halfway around the world to confront his past.

49. Deadly Detour

When a prominent attorney claims to have accidentally shot his wealthy wife, the local prosecutor questions his story.

50. The Dividing Line

The reality of life along the U.S.-Mexico border, including interviews with families seeking asylum, news on the controversial policy of separating migrant families, and fact checks on claims made by both political parties.

51. Unraveled

A woman whose ex-husband killed six people in Arizona, allegedly targeting individuals with connections to their divorce; interviews with experts on the topics of domestic violence and mass murder.

52. The Feud

53. Circle Of Friends

54. The Threat

A mother is murdered in her home and police suspect her husband is the killer. It takes 14 years before he’s caught and convicted. But it’s feared he could kill again. Keith Morrison reports.

55. Jonestown: An American tragedy

An in-depth look at the journalists who exposed the dangers of cult leader Reverend Jim Jones; interviews with witnesses to murders carried out by Jones' followers.

56. Noises In The Night

A Knoxville, TN community is shaken when a popular high school student is found murdered in her bed. Two students who helped police solve the case speak to Andrea Canning.

57. Something Wicked

58. A Good Son

When two mothers meet after one of their sons disappears after a college party, their search for answers leads them down an unexpected path.

59. Under The Desert Sky - Update

60. The Figure in the Garage

When a beloved former firefighter is found dead in his garage, police are desperate for answers. Dennis Murphy reports.

61. Lethal Weapon

62. A Mother's Mission

Actress Catherine Oxenberg shares how she tried to save her daughter India, who Catherine says was brainwashed by the controversial self-help group NXIVM for several years. Megyn Kelly reports.

63. Prairie Confidential

A murder case considered closed by North Dakota detectives is suddenly reopened when a confidential informant comes forward with a tip about an unlikely suspect. Keith Morrison reports.

64. 12 Minutes On Elm Street

65. City of Angels

In-depth look at the growing homeless epidemic affecting half a million Americans, including an eye-opening tour of L.A.’s Skid Row, the nation’s epicenter of homelessness. Craig Melvin reports.

66. Smoke & Mirrors

67. Trapped - Update

68. Bail Disruptors

69. Ransom - Update

70. The Match

A high school girl, nearly beaten to death in her own home, goes under hypnosis in an attempt to identify her attacker. Andrea Canning reports.

71. Evil Was Waiting

When a soldier who just returned from Afghanistan is gunned down on the side of the road in Kentucky; detectives quickly uncover a secret that could solve the case.

72. A Deal with the Devil

Keith Morrison reports on a notorious serial killer, nicknamed Hannibal, who murdered several people while working as a confidential informant for the FBI.