Adam Mace and Christina Marinelli

The New York Mystery Machine

The New York Mystery Machine explores New York’s biggest unsolved Murders, Hauntings, Disappearances and more. Hosted by Adam Mace & Christina Marinelli.

Author

Adam Mace and Christina Marinelli

Category

True Crime

Podcast website

nymysterymachine.com

Latest episode

Jun 22, 2026

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Episodes

Episode 175: "Titanic Conspiracy Theories" 28.04.2025

Well, the Titanic has been in the news lately. With that, Adam remembered the last time it was in the news, back in 2023. They fell into a wormhole of Titanic Conspiracy Theories in an episode only for Patrons. But, we figured it was time to share that episodes and these weird conspiracy theories that range from "meh" to "WTF???"  Be sure to Subscribe, Rate, & Review on App...

Episode 174: "Secret Treasure in NYC" 21.04.2025

X marks the spot! If you've ever dreamed of following a set of cryptic clues to dig up buried treasure, we've got not one but two treasure hunts for you! This week we're exploring the history of Otto Hillig's rumored fortune stolen from Nazi saboteurs. Then Adam and Christina tackle the weirdest treasure hunt of all - clues encoded in poetry and illustrations in the 1982 book &quot...

Episode 173: "The Dark Side of Shen Yun" 14.04.2025

We've all seen the ads on TV, subway stations, billboards... 5000 Years of Chinese History...a time before Communism. But, what exactly is Shen Yun? A dance company...or, something more insidious? We take a deep dive into Shen Yun, it's origins in China, and answer the very important question...is it a cult? (It is.) Be sure to Subscribe, Rate, & Review on Apple Podcasts, Spotify, and...

Episode 172: "Myra Kniffin is Dead" 31.03.2025

When Myra Kniffin is found dead in her bed, her cousin tells a story of burglars entering the house and chloroforming the two women. But as her story unravels, rumors begin to fly about the cousin and Myra's own husband. We ask the hard hitting questions on this episode like: who really killed Myra Kniffin? And to what end? If you're going to stage a robbery, why wouldn't you strew cli...

Episode 171: "Judith Ann Brown Goes Missing!" 24.03.2025

Judith Ann Brown disappeared and wasn't investigated as a missing person for decades, despite disappearing with a known murderer who was an inmate at Creedmoor Hospital. Who was Judith? How did she go missing? And why did the cops not look for her? Episode References: Episodes 7 & 8: "Son of Sam Parts 1 & 2" Be sure to Subscribe, Rate, & Review on Apple Podcasts, Spotify, and Audible!...

Episode 170: "The Rockland County Ghost" 17.03.2025

It's time for a seance! ou know how it goes. You buy an only pre-Revolutionary War home, renovate it to it's former glory, move in, and then be forced to build an additional home on your estate because the ghosts won't leave you alone. No? Well, that's what happens in our story today! Episode References: Hans Holzer Episodes Episode 10: "The House of Death Episode 25: "The Morris-Jumel Mansion" Ep...

Episode 169: "The Ghost of Grace Brown" 10.03.2025

We at the New York Mystery Machine love sandwiches, and today's episode is a ghost sandwich. We start with a ghost story, dive into the crime behind why the ghost is haunting Big Moose Lake, and end with more ghostly tales. Who was Grace Brown? And why would she want to spend eternity at Big Moose Lake? Find out more on this week's episode... Be sure to Subscribe, Rate, & Review on App...

BONUS: "Jack the Ripper...Revealed?!" 05.03.2025

This is an addendum to the February 24, 2025 episode. Has science proven who Jack the Ripper was by way of a shawl left at the scene of the first murder? Adam and Christina dive into a recent report of the "revelation" of Jack's identity! Be sure to Subscribe, Rate, & Review on Apple Podcasts, Spotify, and Audible! Have a strange and/or paranormal story? ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠...

Episode 168: "The Rise & Fall of Crime Boss Arnold Rothstein 03.03.2025

When you look up famous New York Crime Bosses, there is none more important that Arnold Rothstein. Rothstein set the tone for the modern crime boss of the time and, among many other things, is known for one very important piece of sports history. We know much about him but his murder, however, is still very much a mystery. Referenced Episodes: Episode 6: "X Marks the Spot: Hunting for Dutch Schult...

Episode 167: "Jack the Ripper" 24.02.2025

This week we're in jolly ol' London at one of its most horrific points. Women in the area of Whitechapel are being brutally murdered, and the theories of who is to blame range from the mundane to the positively wild. Who was Jack the Ripper? And will we ever solve the case? Available wherever you stream podcasts! Referenced Episodes: Episode 19: "The Catskills Ripper - Lizzie Brown Ha...

Episode 166: "Ghosts of Greenwich Village" 17.02.2025

Today we are taking a trip to the village where two building sit across the street from one another...both...haunted. And, then we take a stroll to a site where the bodies are buried and the spirits run free at Washington Square Park! Available wherever you stream podcasts! Be sure to Subscribe, Rate, & Review on Apple Podcasts, Spotify, and Audible! Have a strange and/or paranormal story? ⁠⁠⁠...

Episode 165: "The Murder that Killed Audrey Munson's Career" 10.02.2025

Audrey Munson is the face you've seen everywhere but whose name you never heard. Audrey was an artists' model, and her body can be seen the world over - until the murder of her landlord's wife drastically changed her fortunes. Available wherever you stream podcasts! Be sure to Subscribe, Rate, & Review on Apple Podcasts, Spotify, and Audible! Have a strange and/or paranormal story?...

Episode 164: "Kristine Kupka Disappears" 27.01.2025

In the late 1990s, Kristine Kupka was finishing college, saving money, thinking about grad school, and excited about her pregnancy. When she suddenly disappears after meeting up with her ex, the family becomes convinced they know what happened - but police are unable to solve the case. What happened to Kristine Kupka? Available wherever you stream podcasts! Be sure to Subscribe, Rate, & Review...

Episode 163: "Roadtrip to Memphis: Who Actually Murdered Dr. King?" 20.01.2025

Today we celebrate Rev. Dr. Martin Luther King Day. Almost fifty-seven years ago, on April 4, 1968, Dr. King was shot outside of his room at the Lorraine Motel in Memphis. Just the night before he delivered the famous "Mountaintop Speech." History remembers James Earl Ray as the gunman but did he act alone? Was he involved at all? Join us as we journey down one of history's largest c...

Episode: 162: "Murder(s) on 12th Street" 13.01.2025

This week we are exploring two murders, several years and a couple of blocks apart. Adam has a very hot take about one of the culprits - be sure to let us know your hot takes too! Available wherever you stream podcasts! Be sure to Subscribe, Rate, & Review on Apple Podcasts, Spotify, and Audible! Have a Hot Take? Call the NYMM Hot Take Hotline to leave it in a message: (917) 426-4262 Have a st...

Episode 161: "Ghosts of Green-Wood Cemetery" 06.01.2025

A highly requested episode, we begin the New Year in the most famous cemetery in NYC. Green-Wood is the resting place to many celebrities but does it's ground also house the spirits of dead as well? Available wherever you stream podcasts! Be sure to Subscribe, Rate, & Review on Apple Podcasts, Spotify, and Audible! Have a Hot Take? Call the NYMM Hot Take Hotline to leave it in a message: (917)...

SPECIAL: "The Best of 2024!" 16.12.2024

Join us on a trip down memory lane as we chat about some of our favorite moments from 2024! We are highlighting some of our favorite episodes, characters, songs and more! Available wherever you stream podcasts! Be sure to Subscribe, Rate, & Review on Apple Podcasts, Spotify, and Audible! Have a Hot Take? Call the NYMM Hot Take Hotline to leave it in a message: (917) 426-4262 Have a strange and...

Episode 160: "Alligators in the NY Sewers!" 09.12.2024

For years there have been rumors of huge lizards roaming the NYC sewers! Is it true? Well, according to a few articles from The New York Times, dating all the way back to 1907, this urban legend appears to be holding more water than many believe! Available wherever you stream podcasts! Be sure to Subscribe, Rate, & Review on Apple Podcasts, Spotify, and Audible! Have a Hot Take? Call the NYMM...

Episode 159: "The Bennington Triangle" 02.12.2024

There is a stretch of land, mostly forested, from New York to Vermont to Massachusetts. In the center is Bennington, Vermont where, over the course of five years, five people went missing during the same exact time period. Where did they go? Is there a connection between these missing individuals? Could it be murder? Bad luck? Coincidence? IS IT ALIENS?! (Maybe!) Available wherever you stream podc...

Episode 158: "The Hunt for DB Cooper" 25.11.2024

This Thanksgiving, we're covering DB Cooper - the most infamous airplane pirate in American history and the only United States airplane hijacking case to go unsolved! On the day before Thanksgiving 1971, a man with a ticket under the name "Dan Cooper" quietly (and politely) hijacked a plane on a short, routine, less-than-an-hour flight. After his demands were met (including getting him $200,000 ca...

Episode 157: "That Time Aaron Burr Committed Treason Against the USA" 18.11.2024

Aaron Burr may be the most unlucky of the founding fathers. After a failed Presidential run and failed Gubernatorial run, he tries something new...and something quite illegal. He attempts to starts his own country within the USA. Available wherever you stream podcasts! Be sure to Subscribe, Rate, & Review on Apple Podcasts, Spotify, and Audible! Have a Hot Take? Call the NYMM Hot Take Hotline...

Episode 156: "Murder in Maspeth & Middle Village" 12.11.2024

This week we're going back to the late 1800s, when much of Queens was still rural farmland, dotted with dairies and criss-crossed with the LIRR. Despite how idyllic that may sound, there was also a dark side, and this week we're investigating two murders -- including one brought to our attention by Mamanelli's boss! What happened to Lizzie Buehler? Who killed Bernard Singer? Why is the common deno...

Episode 155: "Joseph Helt Goes Missing in the Snow" 05.11.2024

It’s the evening of Saturday, January 17, 1987 in Ellenville, New York. Joseph Helt doesn't show up for work that evening. The night before he went out with friends and never returned home. Were those friends the reason he didn't return? What happened to the 17-year-old boy? Available wherever you stream podcasts! Be sure to Subscribe, Rate, & Review on Apple Podcasts, Spotify, and Audible! Ha...

Episode 154: "Roadtrip to Connecticut: A Tale of Demonic Possession & Murder" 28.10.2024

In July 1980, 12-year-old David Glatzel is said to be possessed by the devil. After months of torture and chaos for him and his family, the actions of the demon lead to a murder. But was devil murderer? Was the possession a hoax? We have audio that may convince you it was the real deal! Available wherever you stream podcasts! Be sure to Subscribe, Rate, & Review on Apple Podcasts, Spotify, and...

Episode 153: "Churning Out Witches in New York" 21.10.2024

It's our annual witch episode! What happens when a husband and wife on Long Island are accused of witchcraft? And did you know churning butter (or the inability to churn it) was key evidence in what was New York's last (unofficial) witch trial? Find out on this week's episode. Available wherever you stream podcasts! Be sure to Subscribe, Rate, & Review on Apple Podcasts, Spotify, and Audible!...

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