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Crossing the Line with M. William Phelps

M. William Phelps
True Crime
Murder
Domestic Violence
Murder Investigation
John O'keefe
Karen Read
Delphi Murders
Cold Cases
Mental Health
Addiction
Heroin
Missing Persons
Social Media
Los Angeles
Investigative Journalism
Child Abuse
Florida
Investigation
Texas
Domestic Abuse

Crossing the Line is a true crime podcast revealing cold cases of the missing and murdered, told start-to-finish each week. Using the campfire storytelling style that made Paper Ghosts a #1 hit on Apple Podcasts, host/investigative journalist/New York Times bestselling true crime author M. William Phelps connects deeply with families touched by violent crime - he understands them, because he is on... more

PublishesWeeklyEpisodes225Founded5 years ago
Number of ListenersCategories
True CrimeDocumentarySociety & Culture

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Artwork for Crossing the Line

Latest Episodes

You're invited on a national television show under the pretense that someone you know has a crush on you. You get to the show and feel ambushed by the host revealing who it is. Three days later, your admirer has been murdered, and police are looking ... more

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A young man is found bound and shot through the head inside his home. Police look to the streets of Broward County, Florida for the answer … a dozen years pass and they don't have a clue. Better yet … the notion that their killer has been … the entir... more

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Paramedics respond to a pregnant woman's apartment in Nashville and find her unconscious, on her bed, near death. The man inside the home, Blaise Taylor, who had called 911, seems confused and acting strange. Three lives are at stake. One connected t... more

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Episode Description | You are watching your local TV sports news one night when the screen suddenly goes fuzzy and this odd character comes onto the screen, says nothing, then disappears. The TV station you are watching has been hijacked. Later that ... more

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Recent Guests

Dennis Haley
Florida Department of Law Enforcement Investigator described as a key investigator on the case
Florida Department of Law Enforcement
Episode: EP176 - Frank Walls - Maniac Serial Murderer & the True Crime of Justice
Eugene Glegor
Dated former boyfriend of the victim's daughter and suspect in the original investigation
Unspecified; subject of the interview
Episode: EP163 | The Genetic Murder Ghost - The True Crime of Guilt By Association
Thien Ho
District Attorney and prosecutor of the Golden State Killer case
Sacramento County District Attorney's Office
Episode: EP143: We Are the Sin Eaters: The District Attorney Who Prosecuted the Golden State Killer Explains
Robyn Peery
Susan Marable's sister and a dedicated advocate searching for answers regarding Susan's disappearance.
Episode: A Sister Searches For Her Missing Sibling: The 'True Crime' of Susan Marable's Disappearance
Dr. Peter Vronsky
An investigative historian and author specializing in serial killers
Toronto Metropolitan University
Episode: Serial Killer Richard Cottingham & Dr. Peter Vronsky – Part 1
Brendan Cain
John O'Keefe's best friend.
Episode: 34 FAIRVIEW ROAD: Episode 10 – Occam's Razor
Jeffrey Smalldon
Forensic psychologist and author of 'That Beast Was Not Me'
Episode: Monsters Among Us: John Wayne Gacy and the Real World of Psychopaths
John Wayne Gacy
Notorious serial killer known as the 'Killer Clown.'
Episode: Monsters Among Us: John Wayne Gacy and the Real World of Psychopaths
Aidan Kearney
Investigative reporter and blogger at TBDailyNews
tbdailynews.com
Episode: The Karen Read Murder Trial: Michael Proctor, Dr. Turtleboy, & the Misogynistic Mass State Police - Part 1

Host

M. William Phelps
Host of Crossing the Line; renowned investigative journalist with 20+ years in crime reporting and personal experience with violence.

Reviews

4.2 out of 5 stars from 5.4k ratings
  • Love it.

    I first started listening to Paper Ghosts and then came over to Crossing the Line. And I absolutely love it and I love M William Phelps. It is quite apparent that victim advocacy is a strong passion of his, and he does it well, regardless of the media or opinions. And facts don’t care about your feelings.

    Love this show!

    Apple Podcasts
    5
    BabEDRN
    United States14 days ago
  • Luv the podcast and anything you put out. Wish you hadn't had to suffer the loss of your family members but you truly share important events others have suffered in their lives. You make a difference in those lives.

    Podchaser
    5
    corina.cw123
    25 days ago
  • Top Notch 👌

    Such a good narrative voice. My new favorite.

    Apple Podcasts
    3
    Judy Broom
    United Statesa month ago
  • Truth Seeker

    Mr. Phelps has this amazing ability to help you visualize everyone he’s having a discussion with. He is the perfect balance in his interview interviews of empathy and darkness. You can’t help it be caught up between the drama and the sadness he’s trying to project. His sense of righteousness is not overbearing. It’s actually extremely comforting. His podcast by far is my favorite.

    Apple Podcasts
    5
    Noel In The OC
    United Statesa month ago
  • Great Podcast

    M. William Phelps is one of my favorite true crime podcasters ( and true crime author!) he delivers great content every week and I look forward to his episodes and wish there were more!

    Apple Podcasts
    5
    csmaynes
    United Statesa month ago

Listeners Say

Key themes from listener reviews, highlighting what works and what could be improved about the show.

Engaging, well-researched storytelling that respects victims.
Narrative depth and empathetic coverage without sensationalism are repeatedly highlighted.
Phelps is a trusted, no-nonsense interviewer who lets families speak.
High-quality investigations with strong narration and case context.
Some listeners feel strongly and disagree with certain takes, but overall quality is praised.

Chart Rankings

How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.

Apple Podcasts
#244
United States/True Crime
Apple Podcasts
#80
Ukraine/True Crime
Apple Podcasts
#150
South Africa/True Crime

Talking Points

Recent interactions between the hosts and their guests.

EP159 - Part 3 - The Fort Worth 3: An Iconic True Crime Missing Persons Mystery - Still Searching
Q: Do you think that these cases are connected to any of the other cases in the area and the same era?
Deep in my heart, I don't. I am open-minded because, like I said, until we know for sure, then we don't know.
EP159 - Part 3 - The Fort Worth 3: An Iconic True Crime Missing Persons Mystery - Still Searching
Q: What do you think the biggest blockade is in getting some answers to this case and your cousin?
One, we have no bodies. Two, there was no evidence collected in the very beginning outside of the letter.
EP143: We Are the Sin Eaters: The District Attorney Who Prosecuted the Golden State Killer Explains
Q: How do you compartmentalize?
Thien admits that he struggles to fully compartmentalize his work, as he often carries the weight of his cases into his personal life.
EP143: We Are the Sin Eaters: The District Attorney Who Prosecuted the Golden State Killer Explains
Q: Tell me about that.
Thien describes his experience of how he came to be involved in the prosecution of DeAngelo after a breakthrough in connection with the East Area Rapist.
EP134 - The Delphi Murders: Remembering Abby and Libby, Sorting Fact From Nonsense - Part 1
Q: On February 13th, 2017, tell me what happened?
Abby and Libby were dropped off to walk the trails, intending to cross the Monon High Bridge. They posted on social media before going missing, which started the search.

Audience Metrics

Listeners, social reach, demographics and more for this podcast.

Listeners per Episode
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Frequently Asked Questions About Crossing the Line

What is Crossing the Line about and what kind of topics does it cover?

This program features deeply reported, narrative-driven true crime stories that center on missing people and homicide cases, often with a long-form, case-focused approach. The host blends investigative detail, victim and family perspectives, and forensic context, while weaving in personal experience and occasional authorial notes. Episodes frequently highlight evolving technology, courtroom developments, and the human side of crime—preserving a respectful tone toward victims while unpacking complex investigations. A notable strength is the campfire-style storytelling that maintains momentum across long narratives, and the host's willingness to confront difficult truths and question official accounts. This mix makes it appealing to listeners... more

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Which podcasts are similar to Crossing the Line?

These podcasts share a similar audience with Crossing the Line:

1. Paper Ghosts: The Texas Teen Murders
2. Hell and Gone
3. The Binge Crimes: The Poet
4. The Binge Cases: What She Buried
5. Betrayal Weekly

How many episodes of Crossing the Line are there?

Crossing the Line launched 5 years ago and published 225 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

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What guests have appeared on Crossing the Line?

Recent guests on Crossing the Line include:

1. Dennis Haley
2. Eugene Glegor
3. Thien Ho
4. Robyn Peery
5. Dr. Peter Vronsky
6. Brendan Cain
7. Jeffrey Smalldon
8. John Wayne Gacy

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