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.

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.

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.

The brutal murders of four teenage girls has 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.

When his parents disappear, Chandler Halderson’s social media helps investigators unravel the case. "48 Hours" correspondent Erin Moriarty reports.

At 14 he was accused and later convicted of murdering his mother. But he claims he knows who the real killer is and he’s still out there. "48 Hours" correspondent Erin Moriarty reports.

A cosplay actor finds herself in the spotlight when she's accused of murdering her boyfriend. Can she convince a jury it was self-defense? "48 Hours" correspondent Erin Moriarty reports.

In 1997 four families are shattered when their daughters go missing. As they grieve, one man claims to have answers. Can they trust him? "48 Hours" correspondent Erin Moriarty reports.

A young mother is killed in her bed, her toddler unharmed. Unsolved for 40 years, how the unusual crime scene helped close the case. "48 Hours" correspondent Erin Moriarty reports.

He was free for two years and then sent back to prison for a murder he swears he didn't commit. Yet Green still has faith he'll see his loved ones again. "48 Hours" correspondent Erin Moriarty has the latest on the case.

The bound bodies of four women are found along a desolate stretch of beach. Disturbing new details about the architect police say is a serial killer. "48 Hours" correspondent Erin Moriarty reports.

When Becky Bliefnick was murdered, an answer her husband gave on "Family Feud" years earlier raised eyebrows. "48 Hours" correspondent Erin Moriarty reports.

A crime scene investigator is gunned down in broad daylight. The harrowing scene is captured on surveillance video. Who pulled the trigger? "48 Hours" correspondent Erin Moriarty reports.

A young wife and mother dies unexpectedly with a strange mix of drugs in her system. Investigators turn to her journals for answers. "48 Hours" correspondent Erin Moriarty reports.

Amie Harwick's roommate speaks out about trying to save her and helping to convict her killer. "48 Hours" correspondent Erin Moriarty reports.

A woman convicted of murdering her husband discovers serious problems with some key evidence used against her at trial. "48 Hours" correspondent Erin Moriarty reports.

Jennifer Dulos disappeared on May 24, 2019. Dulos's estranged husband, Fotis Dulos, was charged with her murder, but after he died by suicide the focus turns to his girlfriend, Michelle Troconis.

A Kansas woman is found dying from a gunshot wound. Evidence at the scene doesn't add up, so a prosecutor gets creative. Erin Moriarty reports.