Episode 1 - The Online Life & Death of Bianca Devins

How did images of a 17-year-old girl’s murder go viral? CBS News' Jericka Duncan reports.

Episode 2 - What Happened to Gabby Petito?

Gabby Petito documented her road trip cross-country with her fiance before she was reported missing on September 11th. Now her fiancé, Brian Laundrie, is a person of interest in the case. CBS News national correspondent Jericka Duncan investigates.

Episode 3 - Jasmine Hartin's Shot in the Dark

Socialite Jasmine Hartin admits killing a top police official in Belize. For the first time, she tells her detailed story of what happened to "48 Hours." Correspondent Peter Van Sant reports.

Episode 4 - #LindasStory

The "voice" of 11-year-old Linda O'Keefe goes viral in the search for her killer. CBS News correspondent Tracy Smith reports.

Episode 5 - The Station Nightclub Fire: Who's Responsible?

Club owners open up for the first time after deadly fire kills 100. "48 Hours" contributor Jim Axelrod reports.

Episode 6 - The Murdaugh Mysteries

Five deaths with a connection to one family. "48 Hours" contributor Nikki Battiste investigates.

Episode 7 - The Diary of Martha Moxley

A 15-year-old girl beaten to death with a golf club in a wealthy Connecticut neighborhood. Does her diary hold clues to the killer? 48 Hours" correspondent Erin Moriarty reports.

Episode 8 - The Ring: The Murder of Patrick De La Cerda

An undelivered engagement ring leads to murder. "48 Hours" correspondent Peter Van Sant reports.

Episode 9 - A Killer in the Family Tree

When a woman uploads her DNA to a genealogy website, authorities show up at her door. Is there a double murderer in her family tree? "48 Hours" correspondent Erin Moriarty reports.

Episode 10 - A Promise to Ahmaud

When Ahmaud Arbery was chased by three White men and shot in the street, his mother laid him to rest promising to get him justice. The promise is fulfilled when the men are found guilty. CBS News correspondent Omar Villafranca reports.

Episode 11 - What Happened to the Perfect Child?

After a young girl is adopted from Russia, her American parents come to believe she is capable of murder and return her. Years later, "48 Hours" contributor Troy Roberts learns her surprising story.

Episode 12 - Who Killed Rachael DelTondo?

A man on police radar for the shooting death of a school teacher is convicted of murder in a different case. Both times the victims had been out for ice cream. "48 Hours" correspondent Erin Moriarty reports.

Episode 13 - The Life and Death of Nikki Kuhnhausen

A young woman disappears after a Snapchat rendezvous. Her murder inspired a new law. "48 Hours" contributor Jamie Yuccas reports.

Episode 14 - The Missing Millionaire: A ‘Tiger King' Mystery

A new look into the disappearance of Carole Baskin’s husband. Famed lawyer investigates “meat grinder” theory. "48 Hours" correspondent Richard Schlesinger reports.

Episode 15 - Who Killed Jonelle Matthews?

A former candidate for governor is accused of kidnapping a 12-year-old girl. Does his decades-long fascination with the case mean he’s a true-crime junkie or a murderer? "48 Hours" correspondent Richard Schlesinger reports.

Episode 16 - The Suzanne Morphew Case: Nothing Is What It Seems

After a mother of two vanishes on Mother’s Day, bizarre clues emerge— a chipmunk alibi, a tranquilizer gun and a spy pen. "48 Hours" correspondent Peter Van Sant reports.

Episode 17 - Mystery on County Road M

Todd Kendhammer says his wife was killed in an accident -- a pipe flew off a truck and crashed into their car. Authorities say the scene was staged. "48 Hours" correspondent Erin Moriarty reports.

Episode 18 - The Yogurt Shop Murders

The brutal murders of four teenage girls have haunted Austin, Texas, for 30 years. Could new information lead to a killer? "48 Hours" correspondent Erin Moriarty has reported on the case from the beginning and has the latest on the search for answers.

Episode 19 - The Final Hours of Amie Harwick

Drew Carey opens up about the violent death of his onetime fiancée, Hollywood therapist Amie Harwick. Why Valentine’s Day will never be the same for CBS’ “The Price is Right” host. “48 Hours” correspondent Erin Moriarty reports.

Episode 20 - Searching for Maya Millete

A young mother disappears. Investigators say her husband contacted spellcasters to put a hex on his wife so she wouldn’t leave him. “48 Hours” contributor Jonathan Vigliotti reports.

Episode 21 - Katrina Brownlee: The Good Cop

Her ex-fiancé — an officer with a badge — nearly killed her. She says police failed to protect her, so she got her own badge. “CBS Saturday Morning” co-host Michelle Miller reports.

Episode 22 - What Ally Kostial Didn’t Know

A college student's troubling text messages lead investigators to her killer. “CBS Saturday Morning” co-host Michelle Miller reports.

Episode 23 - The Poisonous Wife

A star snake breeder is murdered. Turns out the human closest to him was more cold-blooded than any snake. “48 Hours” correspondent Peter Van Sant reports.

Episode 24 - Eric Smith: Gambling on a Killer

When he was 13 years old, he committed an unthinkable crime. 28 years later, Smith is out on parole. What’s next for him?

Episode 25 - Who Shot the Tech Exec?

A tech exec and cannabis entrepreneur’s kidnapping is caught on surveillance video. “48 Hours” contributor Tracy Smith reports.

Episode 26 - The Plot to Kill Jamie Faith

An airline manager is shot dead while walking his dog. Who was the puppet master plotting his murder? “48 Hours” correspondent Peter Van Sant reports.

Episode 27 - Death on Safari

An American woman dies by gunshot on a safari trip. Was it murder or an accident? “48 Hours” contributor Debora Patta reports.

Episode 28 - The Dexter Killer

Inside the mind of murderer Mark Twitchell. Newly revealed letters from the man police say wanted to be like fictional serial killer Dexter. “48 Hours” contributor Troy Roberts reports.

Episode 29 - Chasing Catherine Shelton (Part 1)

A journalist finds herself in a game of cat and mouse with a skilled former attorney dogged by mayhem and suspicions of murder. Why do bad things happen to the men in Catherine Shelton’s life? “48 Hours” contributor Jenna Jackson reports.

Episode 30 - Chasing Catherine Shelton (Part 2)

A journalist finds herself in a game of cat and mouse with a skilled former attorney dogged by mayhem and suspicions of murder. Why do bad things happen to the men in Catherine Shelton’s life? Follow “48 Hours” contributor Jenna Jackson’s quest for answers.

Episode 31 - Please Don't Tell

Twin sisters say they were attacked by a Black man. Are they telling the truth or hiding a family secret? "48 Hours" contributor David Begnaud reports.

Episode 32 - Episode 32

Episode 100 - Scott Peterson: Case in Question