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What Happened to Gabby Petito?

"48 Hours" goes inside the disappearance of Gabby Petito and the hunt for Brian Laundrie. CBS News national correspondent Jericka Duncan reports.

Sep 26, 2021 (41:41)

Tracker Dakota Black

Tracker Dakota Black

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A Death in the Stairwell

A Death in the Stairwell

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My Mother's Murder Trials - Part 1

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"Dead Girls Don't Talk"

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Deputy Spivey on Trial

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Denise and Aaron Quinn Get the Last Word

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Jocelyn Peters and the Notebook

The Woman Who Died Twice

The Woman Who Died Twice

Sade Robinson and The Secret Beach

Sade Robinson and The Secret Beach

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Cati Blauvelt: Death of a Soldier's Wife

The Girl from Wahoo

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The Sneak Attack on Katlyn Lyon

The Sneak Attack on Katlyn Lyon

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The Firefighter's Secret

The Mother I Wish I Knew

The Mother I Wish I Knew

The Ivy League Murder

The Ivy League Murder

Melissa Rocuba's Final Moments

Melissa Rocuba's Final Moments

The Blackout Murder of Livye Lewis

The Blackout Murder of Livye Lewis

The Gaslighting of Hannah Pettey

The Gaslighting of Hannah Pettey

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Tracking the Killer of Mary Catherine Edwards

Coached to Kill

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Mystery on County Road M

Mystery on County Road M

Three Days Before Christmas

Three Days Before Christmas

Joe Hunter's Mission

Joe Hunter's Mission

The Batman Intruder

The Batman Intruder

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The Setup Murder of Kristil Krug

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Closing the Cold Case of Robin Lawrence

My Uncle Joe's Murder

My Uncle Joe's Murder

A Death in the Stairwell

A Death in the Stairwell

Murder in the Parking Garage

Murder in the Parking Garage

The Boy Who Killed His Twin

The Boy Who Killed His Twin

Murder at Sea?

A Long Way From Home

A Long Way From Home

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The Death of Todd Stermer

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Kiss of Death and the Google Exec

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The Strange Shooting of Alex Pennig

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The Case of the Black Swan (Part 2)

The Case of the Black Swan (Part 1)

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Who Killed Aileen Seiden in Room 15?

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Melissa Turner's Closing Act

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The Monica Sementilli Affair

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The Suzanne Morphew Case: Nothing Is What It Seems

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The Life and Death of Blaze Bernstein

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Murder on Prom Night

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The Day My Mother Vanished

The Day My Mother Vanished

The Killing of Officer Green

The Killing of Officer Green

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My Mother's Murder Trials - Part 2

My Mother's Murder Trials - Part 2

My Mother's Murder Trials - Part 1

My Mother's Murder Trials - Part 1

The Kidnapping of Michelle and Breea Renee

The Kidnapping of Michelle and Breea Renee

In Jason's Name

In Jason's Name

The Footprint

Fatal First Date

Fatal First Date

Facing a Monster

Facing a Monster

The Depraved Heart Murder

The Depraved Heart Murder

The Boy Across the Street

The Boy Across the Street

The Bathtub Murder of Kendy Howard

The Bathtub Murder of Kendy Howard

The Farris Wheel

The Farris Wheel

The Detective's Wife

The Detective's Wife

First Love, Then Murder

First Love, Then Murder

The Day My Mother Never Came Home

The Day My Mother Never Came Home

The Gilgo Beach Serial Killings

The Gilgo Beach Serial Killings

"Dead Girls Don't Talk"

"Dead Girls Don't Talk"

The Puzzling Death of Susann Sills

The Puzzling Death of Susann Sills

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Could Angela Prichard Have Been Saved?

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The Unending Search for Sara Anne Wood

Cati Blauvelt: Death of a Soldier’s Wife

Cati Blauvelt: Death of a Soldier’s Wife

The Assassination of Jeff German

The Assassination of Jeff German

The People v. Kouri Richins

The People v. Kouri Richins

Justine's Voice

Justine's Voice

It's About Danni

It's About Danni

Kristen Trickle: Autopsy of the Mind

Kristen Trickle: Autopsy of the Mind

The “No Body” Case of Dee Warner

The “No Body” Case of Dee Warner

Death by Eye Drops

Death by Eye Drops

The Ivy League Murder

The Ivy League Murder

Unraveling the Case Against Melissa

Unraveling the Case Against Melissa

The Disappearance of Maddi Kingsbury

The Disappearance of Maddi Kingsbury

Deputy Spivey on Trial

Deputy Spivey on Trial

The Blackout Murder of Livye Lewis

The Blackout Murder of Livye Lewis

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Who Poisoned Angela Craig?

The Journals of Maria Muñoz

The Journals of Maria Muñoz

Shootout at the Shaughnessys'

Shootout at the Shaughnessys'

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The Search for JonBenét's Killer

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Scott Peterson: Case in Question

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The “Batman” Intruder

The Firefighter’s Secret

The Firefighter’s Secret

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For the Love of Cayley Mandadi

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Capturing Moriah Wilson’s Killer

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The Plot to Eliminate Alyssa Burkett

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The Suspicious Death of Megan Parra

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Tracking the Killer of Mary Catherine Edwards

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Rodney Alcala: The Killing Game

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Fatal First Date

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The Strange Shooting of Alex Pennig

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Who Killed Aileen Seiden in Room 15?

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The Brighton Ax Murder

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Where is Jermain Charlo?

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Who Took Our Dad? The Abduction of Ray Wright

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The Depraved Heart Murder

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The Hunt for Sarah Yarborough’s Killer

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The Bathtub Murder of Kendy Howard

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The Menendez Brothers’ Fight for Freedom

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The Unending Search for Sara Anne Wood

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The Life and Death of Blaze Bernstein

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The Case of the Black Swan (Part 2)

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The Case of the Black Swan (Part 1)

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Andreen McDonald: A Millionaire Vanishes

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Cold-Blooded Killer

Cold-Blooded Killer

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Stephen Smith: A Death in Murdaugh Country

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The Plot to Kill Dr. Sievers

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Blood in the Sand

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Murder on the Cape

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Jade Janks and the Secret Photos

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The Gilgo Beach Serial Killings

Hannibal Unmasked

Hannibal Unmasked

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Who Wanted Nicki Lenway Dead?

Sole Survivor

The Game Show and the Murder

The Game Show and the Murder

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Rodney Alcala: The Killing Game

The Fenn Treasure

The Fenn Treasure

The Circleville Letters

The Circleville Letters

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The Puzzling Death of Susann Sills

The Day My Mother Vanished

The Day My Mother Vanished

A Stabbing in Colts Neck

A Stabbing in Colts Neck

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The Detective's Wife

Kristen Trickle: Autopsy of the Mind

Kristen Trickle: Autopsy of the Mind

The Case of the Poison Cheesecake

The Case of the Poison Cheesecake

Death by Eye Drops

Death by Eye Drops

The Disappearance of Maddi Kingsbury

The Disappearance of Maddi Kingsbury

Where is Diana Duve?

Where is Diana Duve?

The Conspiracy to Murder Jennifer Dulos

The Conspiracy to Murder Jennifer Dulos

The Troubled Case Against Jane Dorotik

The Troubled Case Against Jane Dorotik

Who Poisoned Angela Craig?

Who Poisoned Angela Craig?

Lamar Johnson: Standing in Truth

Lamar Johnson: Standing in Truth

The Monica Sementilli Affair

The Monica Sementilli Affair

The Menendez Brothers’ Fight for Freedom

The Menendez Brothers’ Fight for Freedom

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The People v. Kouri Richins

Alisa Mathewson's Night Terrors

Alisa Mathewson's Night Terrors

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The Assassination of Jeff German

Justice for Amie Harwick

Justice for Amie Harwick

Christy and Hilda's Last Dance

Christy and Hilda's Last Dance

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Who Took Our Dad? The Abduction of Ray Wright

Capturing Moriah Wilson’s Killer

Capturing Moriah Wilson’s Killer

The Mysterious Death of Tiffiney Crawford

The Mysterious Death of Tiffiney Crawford

For the Love of Cayley Mandadi

For the Love of Cayley Mandadi

Shootout at the Shaughnessys'

Shootout at the Shaughnessys'

The Suspicious Death of Megan Parra

The Suspicious Death of Megan Parra

Kassanndra's Secret

Kassanndra's Secret

Lori Vallow Daybell: Guilty

Lori Vallow Daybell: Guilty

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The Search for Christie Wilson

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What Ever Happened to Mary Day?

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The Journals of Maria Muñoz

Andreen McDonald: A Millionaire Vanishes

Andreen McDonald: A Millionaire Vanishes

Death at the Front Door: Who Shot Heidi Firkus?

Death at the Front Door: Who Shot Heidi Firkus?

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