Milo is still missing 2025
A warning about Marie Nygren
AKA The Happy Dog Nanny - Le Toutou Content Nounou
Dog Sitter / Walker / Trainer
In July 2023, in Nice, France, dog sitter Marie Nygren was responsible for the care of Milo, a 2 year old miniature dachshund.
Milo’s owners were taking a 3 day holiday and hired Marie to look after their dog.
After just 2 days in her care, Milo vanished under extremely suspicious circumstances and no trace of him has ever been found.
She did not inform Milo’s owners of his loss for more than 12 hours, and less than 24 hours after his disappearance, Marie Nygren left the country on ‘holiday’.








The facts:
- Milo disappeared on 12/07/2023.
- Marie Nygren was alone with Milo when he vanished, there are no witnesses.
- Marie Nygren did not inform Milo's owners until 12+ hours later.
- Marie Nygren suddenly left the country on holiday less than 24 hours after Milo's disappearance.
- Marie Nygren did not see which direction Milo ran.
- Marie Nygren searched for a few hours before going to bed.
- Marie Nygren operates without insurance or the correct permissions.
- Marie Nygren offered to help find a new dog for Milo's owners less than 24 hours after his disappearance.
- Marie Nygren suggested a bird of prey could've taken Milo.
- Marie Nygren claims Milo was wearing a long lead and harness when he ran away.
- Milo had never run away before.
- Milo knew the trail well and wouldn't have been easily lost.
Timeline of events
July 10, 2023
Milo is left with Marie
Milo is left with Marie Nygren at her home on 10 July. He is alone with her (no other guests or dogs).
July 12, 2023
Milo vanishes
Sometime on 12 July, the incident occurs. It is claimed he ran away wearing a 15m lead, but it is not known which direction.
July 13, 2023
Marie informs the owners
Marie Nygren informs Milo’s owners of his disappearance at around 08h00. She does not explain that it has already been 12+ hours.
July 13, 2023
Milo’s owners arrive
A few hours after breaking the news, Milo’s owners arrive to begin searching. Friends/family are present, including trained search dogs. Marie suggests a bird might have taken Milo, and offers to assist them in buying a new dog.
July 13, 2023
Marie Nygren leaves the country
Shortly after Milo’s owners arrive, Marie announces that she must leave to Turin the same day, to secure a rental apartment.
July 13, 2023
The search continues
News of Milo’s (and Marie’s) disappearance spreads, and a large number of people join the search for Milo, including more trained search dogs. This continues for the following week. Posters are displayed across Nice and the online campaign to find Milo begins.
July 18, 2023
Marie avoids a final group search
Marie was scheduled to return to Nice to join a group search, but claims to miss her bus.
July 19, 2023
Marie returns to Nice
The morning after the final organized group search for Milo, Marie returns.
July 20, 2023
Marie stops responding
Just over 1 week after Marie Nygren loses Milo, she stops responding to messages and calls. Milo’s owners and other organizations attempt to contact Marie, to verify the events and to assist with the search, but receive no response. Marie Nygren continues looking after other dogs during this time.
August, 2023
Marie leaves France permanently
Remaining uncontactable despite various attempts, Marie leaves France.
September, 2023
Marie attempts to have website removed
Claiming defamation, Marie Nygren attempts to have this website removed. Evidence is obtained from Milo’s owners to confirm that the statements made on this website are factual.
The search for Milo:
The people of Nice and the surrounding areas have searched far and wide for Milo. Multiple search parties and experienced sniffer dogs have navigated the trail he supposedly disappeared from. Hundreds of posters have been distributed across Nice, including a reward of 2000€ for Milo’s return. Milo’s story has been shared thousands of times on Facebook and Instagram, and his owner’s videos have reached over 2 million people. Marie Nygren has not been present for any of these searches.
No trace of Milo has ever been found.
FAQ
Q: Who is Marie Nygren? A: Marie Nygren, a Swedish national known locally as The Happy Dog Nanny, was responsible for caring for Milo, the dog that mysteriously disappeared in Nice, France.
Q: What is The Happy Dog Nanny known for? A: Marie Nygren, aka The Happy Dog Nanny, is recognized for her distinct methods of dog-sitting.
Q: What happened to Milo under Marie Nygren’s care? A: Milo, under the care of Marie Nygren, vanished without a trace in the north of Nice, France. Despite wearing his harness, he disappeared in a forested area. Marie’s involvement in Milo’s disappearance has raised suspicions, given her peculiar behavior during the incident.
Q: Did Marie Nygren show any remorse about Milo’s disappearance? A: Curiously, Marie Nygren displayed an apparent lack of remorse regarding Milo’s unexplained disappearance. Her emotional response, or the absence thereof, has been a topic of intrigue for those following the case.
Q: Why did Marie Nygren leave on holiday after Milo went missing? A: Perhaps one of the most puzzling aspects of the case, Marie Nygren departed on holiday immediately after Milo’s disappearance. Her decision to leave during such a critical time has drawn speculation and intensified the mystery surrounding her involvement.
Q: Did Marie Nygren assist in the search for Milo? A: In an unexpected twist, Marie Nygren offered to aid Milo’s owners in finding a new dog shortly after his disappearance. This unexpected offer has fuelled suspicions about her intentions and level of involvement in the situation.
Q: What explanation did Marie Nygren provide for Milo’s disappearance? A: Marie Nygren offered a rather unusual explanation for Milo’s disappearance, suggesting that a bird might have taken the dog. This peculiar theory added to the enigma surrounding her role in the case.
Q: How has Marie Nygren’s reputation been affected by this incident? A: The Happy Dog Nanny’s reputation has undergone a significant shift following the perplexing disappearance of Milo. Her mysterious behavior, lack of remorse, and involvement in the incident have left both the community and pet owners questioning her intentions and credibility.
Q: Was Marie Nygren cooperative with authorities and search efforts? A: While details remain murky, Marie Nygren’s level of cooperation with local authorities and search efforts has raised doubts. Her actions and demeanor have contributed to the aura of mystery surrounding Milo’s disappearance.
Q: Is Marie Nygren a suspect in Milo’s disappearance? A: While there is no concrete evidence pointing directly to Marie Nygren’s involvement, her actions and behavior have led to her being considered a person of interest in the investigation into Milo’s disappearance.
Q: What was Marie Nygren’s whereabouts when Milo disappeared? A: Strangely, Marie Nygren’s car was not parked at her home when Milo mysteriously vanished. This detail has added another layer of intrigue to the already perplexing circumstances surrounding his disappearance.
Q: When did Marie Nygren notify Milo’s owners about his disappearance? A: It has come to light that Marie Nygren waited a staggering 12 hours before informing Milo’s owners about his disappearance. This delay in communication has raised questions about her priorities and her involvement in the incident.
Q: Does Marie Nygren operate legally as a dog sitter? A: Interestingly, Marie Nygren’s status as a dog sitter has been clouded by legal uncertainties. She reportedly operates without the necessary legal permissions, contributing to her enigmatic persona.
Q: Was Milo prone to running away? A: Milo’s disappearance is all the more puzzling due to the fact that he had never run away before. His timid nature and lack of a history of wandering have only deepened the mystery surrounding his sudden vanishing.
Q: What did Marie Nygren do after Milo disappeared? A: In a bizarre turn of events, Marie Nygren reportedly went to bed a mere few hours after Milo went missing. Her seemingly casual response to the situation has left many baffled and suspicious of her true intentions.
Q: Did Marie Nygren offer any explanations for her behavior? A: Marie Nygren’s actions and choices have left many seeking explanations. Her departure from her home, delayed notification to owners, and unconventional response to Milo’s disappearance remain largely unexplained, adding to the enigma.
Q: How has the community responded to Marie Nygren’s involvement? A: The local community has been abuzz with speculation regarding Marie Nygren’s role in Milo’s disappearance. Her mysterious behavior and apparent lack of urgency have led to widespread skepticism and uncertainty.
Q: Was there any evidence of foul play involving Marie Nygren? A: While no concrete evidence of foul play involving Marie Nygren has surfaced, her actions, including her behavior immediately after Milo’s disappearance, have fueled suspicions and kept the investigation focused on her involvement.
Q: Has Marie Nygren cooperated with the investigation into Milo’s disappearance? A: Marie Nygren’s level of cooperation with the investigation has been questionable. Her enigmatic conduct and the discrepancies in her responses to the incident have hindered the progress of authorities trying to uncover the truth.
Q: What impact has Milo’s disappearance had on Marie Nygren’s reputation? A: Marie Nygren’s reputation has been significantly affected by her involvement in Milo’s puzzling disappearance. The combination of her unconventional dog-sitting methods, legal ambiguities, and questionable actions has cast a shadow of doubt over her credibility.
Q: Is Marie Nygren still caring for other dogs?
A: It is unclear whether Marie Nygren is still involved in dog-sitting. The status of her dog-sitting activities after Milo’s disappearance remains unknown.
Q: Have there been any new developments in the investigation into Marie Nygren?
A: Recent evidence has surfaced indicating that the photos sent to Milo’s owners were not taken from Marie Nygren’s phone. They were forwarded on WhatsApp and did not use Milo’s own lead, raising further questions about the authenticity of the updates provided.
Q: Why did the photos sent by Marie Nygren show ‘forwarded’ on WhatsApp?
A: The presence of ‘forwarded’ on the photos sent to Milo’s owners suggests that they were not original images from Marie Nygren’s phone. The source and authenticity of these photos are currently under investigation.
Q: What is the significance of the lead used in the photos sent by Marie Nygren?
A: The lead in the photos sent to Milo’s owners did not match Milo’s own lead, raising concerns about the accuracy of the updates provided. This discrepancy adds to the mystery surrounding Milo’s disappearance.
Q: Are authorities making efforts to locate and question Marie Nygren?
A: Yes, authorities are actively seeking to locate and question Marie Nygren. However, their elusive nature and lack of responsiveness have complicated the investigative process.
Q: How are Milo’s owners coping with the ongoing uncertainty?
A: Milo’s owners continue to face immense emotional distress due to the lack of information and the mysterious circumstances surrounding his disappearance. The uncertainty, coupled with the unresponsiveness of Marie Nygren has made the situation even more challenging for Milo’s owners.