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

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.

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.

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

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

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

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.

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

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.

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.

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.

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.

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

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

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.

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.

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.

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.

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.

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.

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

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.

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

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

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.

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

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.

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.

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.

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.

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