
Hey Dateline fans! As a bonus for you, we’re sharing the trailer for Trace of Suspicion, an all-new original podcast series from Dateline and Josh Mankiewicz. After seemingly healthy 23-year-old Marine Todd Sommer dies unexpectedly, his widow Cindy’s lavish spending, cosmetic surgery, and wild partying raise investigators’ suspicions. They accuse her of poisoning him with arsenic for his life insurance, setting off a criminal case that takes a stunning turn... Josh Mankiewicz sits down with the woman at the center of it all in Dateline’s newest podcast. Follow now to get the first two episodes on Tuesday, March 10 completely free. Or subscribe to Dateline Premium on Apple Podcasts, Spotify or DatelinePremium.com to hear the first two episodes now. Subscribers receive ad-free listening and early access to subsequent episodes.
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Josh Mankiewicz
He was a young Marine, handsome in his dress blues.
Interviewee / Case Participant
He had a religious aspect to him.
Josh Mankiewicz
She was a free spirit who didn't care about convention.
Interviewee / Case Participant
I'm a hippie. I'm a deadhead.
Josh Mankiewicz
They married and made a life together. And then one night, The Marine died.
Interviewee / Case Participant
911.
Josh Mankiewicz
Do you have a regiment?
Interviewee / Case Participant
Yeah. My husband just collapsed.
Josh Mankiewicz
What happened?
Interviewee / Case Participant
He just collapsed. He woke up and couldn't believe he crashed.
Josh Mankiewicz
Drums rolled, guns saluted, and a flag was folded for the widow. All of it by the book. Solemn, dignified, appropriate. And then something happened. The widow went off script.
Interviewee / Case Participant
She started having a lot of parties shortly after his funeral. A lot of the neighbors was just like. She got over that pretty quickly.
Josh Mankiewicz
With her husband's insurance money, the widow lived it up. New bling, new lovers, new look.
Interviewee / Case Participant
This case started because of the breast implants. Think about it. If she had a nose job, would we even be talking about it?
Josh Mankiewicz
Eyebrows arched, tongues wagged. And an investigation was born. Chemists found arsenic in the Marine's tissues. And his widow was accused of murder.
Interviewee / Case Participant
You know, we need to try to pursue justice for this young Marine and his family.
Josh Mankiewicz
Our latest podcast takes us to San Diego, where an untimely death and some unseemly behavior added up to a murder rap.
Interviewee / Case Participant
What am I being arrested for? Like I told you yesterday, there was
Josh Mankiewicz
some foreign substance that was found in his body, and.
Interviewee / Case Participant
So are you charged with murder? Oh, my gosh. Are you serious?
Josh Mankiewicz
Yes. It's a story about investigators in dogged pursuit of a theory.
Interviewee / Case Participant
I told them they might want to get the stuff retested and find out what's going on.
Josh Mankiewicz
It's about prosecutors hell bent on winning and about what happens when the wheels of justice go off the rails.
Interviewee / Case Participant
It was over a million. My mom sold her house, cashed in all of their retirements, all their every everything. It shouldn't be a game. It shouldn't be a situation where let's see what we can get away with. And that's what happened in this case.
Josh Mankiewicz
I'm Josh Mankiewicz, and this is Trace of Suspicion, an all new podcast from dateline beginning Tuesday, March 10th. You can listen to the latest episodes completely free or to begin listening now, subscribe to Dateline Premium on Apple Podcasts, Spotify, or Dateline premium.com subscribers get early access to new episodes and can listen to all Dateline podcasts ad free.
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Host: NBC News
Guest Host/Narrator: Josh Mankiewicz
Release Date: March 3, 2026
This episode serves as a gripping introduction to the new true crime podcast series Trace of Suspicion, helmed by Dateline’s Josh Mankiewicz. The focus is on the shocking disappearance of single mom Cari Farver, exploring how an ordinary romance in America’s heartland swiftly descended into chaos: a web of harrowing threats, mounting psychological terror, and a death that spirals into accusation and suspicion. While the episode teases the Cari Farver investigation, it primarily previews the tone and style of Trace of Suspicion by recounting a case involving the death of a Marine in San Diego—suggesting the complex blend of tragedy, intrigue, and the darker side of human nature that listeners can expect from the podcast.
Narrator Josh Mankiewicz brings his signature Dateline gravitas: suspenseful, measured, and sensitive to both the intrigue and the emotional cost. The tone is cinematic, with an undercurrent of skepticism about appearances and the official version of events. Participants speak candidly, sometimes wryly, keeping the storytelling real and accessible without sensationalism.
This episode is both a tantalizing preview and a statement of intent: Trace of Suspicion will dig deep into not only the facts of the case but also the messy, very human fallout of tragedy and suspicion. Through evocative storytelling, first-person recollections, and hard questions about the American justice system, listeners are promised a journey “about what happens when the wheels of justice go off the rails”—with the implied promise of twists, doubts, and the search for truth.
Listeners eager for a true crime story that examines both the crime and its aftermath—in the courtroom, in the media, and in the soul—should tune in to follow this new Dateline journey.