Episode 1 - On the Outskirts of Town

Andrea Canning reports on a young, beloved woman who is found dead near a soccer field in Indiana. Detectives try to piece together a puzzle that leads them to the most unexpected of suspects.

Episode 2 - A Small Town Secret

When a beloved teacher and former beauty queen goes missing in Georgia, it triggers a decade-long investigation that makes national headlines. Andrea Canning reports.

Episode 3 - At the Bottom of the Lake

A pilot flees after a deadly plane crash, and becomes a fugitive living a double life for decades. He tells his story for the first time to Keith Morrison.

Episode 4 - Death Trap

The sister of a man who died after robbing a bank when a bomb that was placed around his neck detonated talks about the case.

Episode 5 - Everything She Knew

A young woman’s murder remains unsolved until someone comes forward to reveal her own harrowing story. Keith Morrison reports.

Episode 6 - The Landing

The parents of missing South Carolina woman Heather Elvis, Debbi and Terry Elvis, open up to NBC News’ Andrea Canning about the search for their daughter.

Episode 7 - The Mansion on Ocean Boulevard

The mysterious deaths of 6-year-old Max Shacknai and 32-year-old Rebecca Zahau, who died within days of each other in 2011 at a California beachside mansion

Episode 8 - The Ultimatum

When a mother is discovered dead inside her home, it appears to be a suicide. But when investigators start to interview those closest to her, an evil plot emerges. Dennis Murphy reports.

Episode 9 - Final Curtain

A soon-to-be bride is caught in the middle of a twisted murder plot that has detectives questioning if she played a role in it.

Episode 10 - Suspicion in Silver City

The mysterious death of a 23-year-old mother in New Mexico goes unsolved, and her family searches for answers. Keith Morrison reports.

Episode 11 - In a Lonely Place

When a creative entrepreneur abruptly leaves his business for an international surfing adventure, his family’s worry turns into suspicion. Keith Morrison reports.

Episode 12 - Under a Full Moon

When detectives track down the killer of a Las Vegas cocktail waitress and mother, it becomes clear that the investigation has just begun.

Episode 13 - Stone Cold

When a hard-charging boss in Arizona is shot to death, police uncover a complex web of bruised egos in his professional life and a trail of broken hearts in his personal life.

Episode 14 - The Alibi

The homicide of private first class soldier and young mother Karlyn Ramirez; a glimpse into the FBI's crime lab and an in-depth look at how multiple agencies uncovered a plot that spanned several states and prompted suspicions of espionage.

Episode 15 - The Trap

Interviews with former journalist Amanda Lindhout and the undercover agent who spearheaded the international manhunt for the individual responsible for her 2008 kidnapping and torture in Somalia.

Episode 16 - ACCUSED: The R. Kelly Story

An in-depth look at the history of allegations against singer R. Kelly, including interviews with several women who accuse Kelly of misconduct.

Episode 17 - Finding Venus

A mother of two mysteriously vanishes from her parents' Michigan home while going to check the mailbox, leaving her phone and identification behind; police declare her dead without discovering a body.

Episode 18 - Chasing O.J. Simpson: The Untold Stories

Looking back at O.J. Simpson's infamous Bronco car chase and subsequent standoff with the LAPD SWAT team, 25 years after the murders of Nicole Brown Simpson and Ron Goldman.

Episode 19 - Reckless

Reckless A teenager is convicted of encouraging her boyfriend to kill himself; exclusive interviews with those on both sides of the case.

Episode 20 - What They Saw

Dennis Murphy speaks to a Georgia father accused of murdering his ex-wife. While his friends work to prove his innocence, prosecutors count on his children to testify against their own father.

Episode 21 - Secrets of Lake Seminole

A man disappears after a duck hunting trip in Florida on his sixth wedding anniversary and is later found to have been murdered.

Episode 22 - The Golden Child

The investigation into a woman's mysterious disappearance from inside her home in Washington, D.C., reveals a connection to the decades-old disappearance of another woman.

Episode 23 - Vanishing of Kelsey Berreth

The investigation into a woman's mysterious disappearance from inside her home in Washington, D.C., reveals a connection to the decades-old disappearance of another woman.

Episode 24 - Endgame

Andrea Canning reports on the murder of Shele Danishefsky, a wealthy New York City finance executive whose 2009 death was originally ruled accidental.

Episode 25 - The Motive

A young woman finds out her boyfriend might have killed a college football player out of revenge. She struggles with going to officials, fearing she could lose her life. Keith Morrison reports.

Episode 26 - Jagged

When Ohio mother Heather Bogle goes missing, a detective identifies multiple suspects, until he himself comes under scrutiny for his investigation. Josh Mankiewicz reports

Episode 27 - Evil Was Watching

Two young girls in Washington are snatched in broad daylight. The case goes unsolved until a new detective tries to solve the mystery that haunted her childhood. Keith Morrison reports

Episode 28 - Evil Intent

When a young woman fails to show up to work, her mother rushes to try to find her. What she discovers begins an investigation that leads to a suspect no one imagined. Keith Morrison reports.

Episode 29 - 11 Minutes

An Alabama father calls police after his son throws a house party. Just 11 minutes after a deputy leaves his house, another 911 call is placed. What happened? Josh Mankiewicz reports.

Episode 30 - She Didn't Come Home

A mother in Pennsylvania disappears after co-workers see her leaving for lunch.

Episode 31 - A Villainous Plan

A Connecticut bank executive is targeted by criminals who force him to rob his own bank.

Episode 32 - The Call

Episode 33 - The Betrayal of Sarah Stern

The discovery of a teenager's car abandoned on a New Jersey bridge turns into a homicide investigation. Police uncover a plot involving money, close friends and betrayal. Keith Morrison reports.

Episode 34 - Facing The Music

When a young teacher in Pennsylvania is murdered, her friends wonder if the killer will be caught. Following years without an arrest, investigators discover a new tool that may finally help unlock the murderer's identity.

Episode 35 - The Overlook

Two young women are shot and left for dead on a beach in Texas. After one miraculously survives, she is determined to find out who the attacker is. When a man is eventually convicted, the long road to justice seems to be complete.

Episode 36 - She Did Everything Right

Episode 37 - Return To The Farm

Episode 38 - Before Midnight

A successful business woman and mother of three is found shot in her office. Will justice be served? Keith Morrison reports.

Episode 39 - She Never Left

A missing mother in Jacksonville, Fla., leaves behind a 3-year-old son, whose memory of their last night together offers some clues as to what happened to her. The case remains cold until two decades later when the son, Aaron Fraser, solves the mystery that haunted his childhood.

Episode 41 - Return to the Early Shift

A Kentucky man is convicted of murdering his co-worker; the mystery is considered solved until a stunning disclosure, years later, turns the closed case upside down.

Episode 43 - The Secret Keepers

A 59-year-old father is found dead in his home, and family members assume it is related to his ongoing health issues. But when the coroner reveals he didn't die of natural causes, police begin an investigation questioning some of his family members.

Episode 45 - Before the Storm

A divorced, bi-sexual Texan mother of two, with a new man in her life, goes missing as Hurricane Harvey approaches. Both cooperative, the missing mom's ex-husband, and new boyfriend, fail their polygraphs.

Episode 47 - Deadly Secret

Pamela Smart was television's first true crime fascination after her husband was found murdered. Police discovered that Pamela Smart was keeping a big secret. Andrea Canning reports.

Episode 48 - At the Edge of Town

When a college student is found dead after a party, his mother is determined to try to find out what happened. Dennis Murphy reports on the unexpected twist that no one saw coming.

Episode 49 - Out of the Darkness

A wife calls 911 to report her husband has been shot on a country road in Texas. Could the dramatic police footage from the scene end up being key in the investigation? Josh Mankiewicz reports.