Episode 1 | The Informant

Years after a man is found guilty of killing Heidi Allen, who was last seen working at a store to pay for college, an old case is completely reopened by a confession.

Episode 2 | Rear Window

A sleepy seaside town is startled by the grisly realization that a killer is among them after Corey Parker's murder.

Episode 3 | Hinckley: Diary of a Dangerous Mind

Pages from the diary of John Hinckley Jr., who was arrested in 1981 for trying to assassinate President Ronald Reagan, are revealed.

Episode 4 | The Stranger

She yearned to make it in Hollywood. Instead, Brittany Tavar made headlines when she vanished. Investigators had plenty of leads - a handsome boarder, the friend turned enemy, or they wondered if the free spirit could have left on...

Episode 5 | The Dream House Mystery

Realtor Lindsay Buziak thought she'd landed dream clients when a mysterious couple said they wanted to buy a million-dollar home. What seemed like a golden opportunity turned deadly when Lindsay was murdered in the ritzy home.

Episode 6 | Vengeance

They were a couple who seemed made for each other. Seemona Sumasar thought she had met Mr. Right, but her instincts proved wrong. Nothing was as it seemed.

Episode 7 | Miles from Nowhere

In the California mountains, a young father calls 911 to report that he had been in a shoot-out with a car full of strangers. With one man dead and two others injured, authorities wonder if this was self-defense or something else.

Episode 8 | Manner of Death

It was a mystery from day one: A young father's life cut short and how Matt Podolak died was puzzling. The word poison kept coming up. Matt's brother would embark on a long quest for the truth.

Episode 9 | The Feud

Fences make good neighbors, but this one triggered a deadly fight. Only two men were there and the man who shot first told investigators his story. However, the crime scene was telling another story.

Episode 10 | The Long Road to Freedom

Two Tulsa brothers fight for more than 20 years to prove their innocence after they were convicted for separate murders.

Episode 11 | Life Inside

Lester Holt spends two nights locked up and embedded inside the largest maximum-security prison in America.

Episode 12 | Deadly Secret

Before the Menendez brothers, the Bobbitts or even OJ, Pamela Smart was television's first true-crime fascination; Smart's husband was found murdered and when police began to investigate, they discovered that she was keeping a big...

Episode 13 | Endgame

Rod Covlin calls 911 after his young daughter finds his estranged wife, Shele Danishefsky, unconscious in the bathtub.

Episode 14 | The Waiting Car

Lead detectives in the murder investigation of University of Utah student MacKenzie Lueck speak exclusively to Keith Morrison about the case that made national headlines.

Episode 15 | The Woman with No Name

Police are perplexed when they find the body of a young woman, but are unable identify her. With the help of amateur investigators and new DNA technology, a dogged investigator finds her killer and her identity.

Episode 16 | The Vow

Two tenacious sisters determined to fulfill a promise investigate the mystery surrounding their mother's death.

Episode 17 | At the Bottom of the Pool

When a model and up-and-coming YouTube celebrity is found dead, police question her husband to see if he can provide any answers.

Episode 18 | Unbreakable

This is the behind-the-scenes story of Rebecca Musser vs. Warren Jeffs, one of the FBI's most notorious fugitives. Rebecca opens up about life in the Fundamentalist Church of Jesus Christ of Latter-Day Saints and why she decided t...

Episode 19 | The Death of Gianni Versace

Gianni Versace's longtime partner, Antonio D'Amico, speaks about the murder of the fashion icon. His murder came amid a months-long manhunt for Andrew Cunanan, who was accused of committing four other murders throughout the U.S. i...

Episode 20 | Secrets of the Desert

Linda Watson was a single mom raising a beautiful daughter when she disappeared. Suddenly, Linda's mom was gone too, along with another friend. Police were convinced the three cases were connected, but unraveling the mystery took ...

Episode 21 | While She was Sleeping

She was an A-lister in a town famous for glitzy ski resorts and celebrities; when socialite Nancy Phister was murdered, the news reverberated around Aspen; Nancy had a long list of friends, but she also had enemies.

Episode 22 | Trouble at the 7-11 Ranch

Friends think something isn't right after the mysterious disappearance of a Colorado rancher and spend years fighting for answers.

Episode 23 | The Phony Rockefeller

A high-society hustler with a flair for spinning lies, the con man known as Clark Rockefeller is accused of murder; to solve the mystery, cold-case detectives begin to retrace his steps along a decades-old trail of deceit.

Episode 24 | A Family's Story

Two years after the disappearance of his wife, Josh Powell kills his two sons and himself. Includes excerpts from Josh's last in-depth TV interview, and a 911 dispatcher discusses the emergency call placed by a social worker.

Episode 25 | Deadly Liaisons

They were expecting their first child together; she was from a small town in rural Wisconsin, and he was a Chicago superstar, a hometown hero with the legendary Bears. No one expected their story to end the way it did.

Episode 26 | Kidnapped

A young woman was abducted in Ecuador and, as her family and investigators raced to save her, she plotted to save herself. Her daring plan involved a little something hidden at the bottom of her bag, but time was running out.

Episode 27 | Lost in Sin City

A small-town girl relocates to Las Vegas, where she discovers a new profession and new love. Soon after, she goes missing, and days later, police discover her body. Determining who killed her will be a more difficult puzzle to solve.

Episode 28 | The Family Secret

It was common for a long-haul truck driver to be gone for stretches and when he disappeared, it didn't raise many flags. At least 2 people knew where he was and they guarded the secret for 27 years, but the truth was about to be r...

Episode 29 | Bringing Brooke Home

Brooke Wilberger was 19 when she was kidnapped. Her family begged for her return, but months passed before police got their first break: a similar attack more than a thousand miles away.

Episode 30 | The Pink Skirt Plot

The murder of a young businessman in the Old San Juan district of Puerto Rico marks the start of a 15-year-long hunt to find the killer.

Episode 31 | Night of the Summer Solstice

When hikers find a 21-year-old UCLA student's body in a Los Angeles-area train tunnel, detectives wonder if his interest in an alternative religion is connected to his murder.

Episode 32 | Murder in the House of Gucci

Details expose how the Gucci family was undone by jealousy, backstabbing and, ultimately, an act of murder. Insiders close to the fashion empire speak out about the murder of a prominent family member.