When Lily and Jack Sullivan disappeared from their home in Lansdowne Station on May 2, 2025, the initial focus appeared straightforward: locate the children and determine what happened inside the main residence.

But what unfolded next signaled something far more serious.

According to confirmed investigative actions, the Royal Canadian Mounted Police (RCMP) did not limit their search to the family home. Instead, they sealed off the entire property — including a small trailer located just thirty feet away.

For forty-eight hours, forensic specialists worked inside that trailer.

The scale and intensity of that operation stunned observers and raised a critical question: what did investigators believe might be found there?

A Property Treated as One Continuous Scene

Rather than isolating a single structure, RCMP treated the Lansdowne Station property as a unified investigative zone.

The trailer, situated only a short distance from the main house, became a focal point of forensic activity. Investigators entered and exited with evidence boxes, examined electronic devices, and documented surfaces in a manner typically reserved for scenes believed to hold crucial answers.

This was not a cursory search.

It was a methodical, prolonged forensic operation.

Who Lived in the Trailer — and Why It Mattered

The trailer was occupied by Janie Mackenzie, the mother of Daniel Martell.

On the morning Lily and Jack vanished, Janie Mackenzie was the only other adult on the property besides Daniel Martell and Malehya Brooks-Murray.

That fact alone elevated the importance of the trailer.

In cases involving missing children, investigators pay close attention not only to where an incident may have occurred, but also to where witnesses were positioned, what they could hear, see, or access — and what physical or digital traces might corroborate or contradict accounts.

A Witness Account That Shaped the Timeline

Janie Mackenzie’s witness statement became a key component of the investigation’s timeline.

According to her account, she heard voices coming from the property. Then, she heard silence. Later, she heard her son calling out.

Those auditory details — voices, silence, and a call — are not insignificant in an investigation where time sequencing is critical.

RCMP’s decision to focus extensive forensic resources on the trailer suggests they believed physical or digital evidence inside that space could help clarify exactly when events unfolded and who was where during those moments.

Forty-Eight Hours of Forensic Work

For two full days, forensic specialists processed the trailer.

This included collecting evidence containers, analyzing electronic devices, and meticulously documenting the interior. Such work is not conducted unless investigators believe the location could hold answers relevant to the disappearance.

What investigators found during those forty-eight hours has not been disclosed. All materials remain sealed within evidence files.

However, experienced investigators and legal analysts note that the duration and depth of the search alone speaks volumes.

Why the Trailer Search Stands Out

In many missing persons cases, secondary structures are cleared quickly unless there is a compelling reason to look deeper.

Here, the opposite occurred.

RCMP’s actions indicate that investigators believed the trailer was not merely adjacent to the scene — but potentially integral to understanding what happened.

That belief may stem from proximity, witness statements, electronic data, or a combination of factors.

Importantly, sealing the trailer was not about assigning blame. It was about preserving potential evidence before it could be altered, destroyed, or forgotten.

Silence Around the Evidence

Despite public curiosity, RCMP has not released details about what was recovered from the trailer.

This silence is consistent with ongoing investigations where evidence is still being analyzed or protected for potential future proceedings.

Law enforcement agencies often refrain from disclosure not because nothing was found — but because what was found matters.

Spaces Where Stories Are Told

Investigators often describe crime scenes not just as physical locations, but as environments where narratives form.

The trailer was a place where a witness lived, where observations were made, and where statements originated. That alone justified forensic scrutiny.

Investigators were not only examining what might have happened — but where accounts were shaped and perspectives formed.

A Case That Defies Simple Explanations

The disappearance of Lily and Jack Sullivan has never fit neatly into a single narrative.

The decision to expand the search beyond the main residence reinforces the complexity of the case and underscores why investigators approached it with caution and depth.

Answers, they believed, might not lie solely at the center of attention — but at the margins, where overlooked details often reside.

What the Scope of the Search Tells Us

While the contents of the evidence files remain sealed, the investigative message is clear.

RCMP believed that understanding what happened to Lily and Jack required examining every relevant space, including where witnesses stood, listened, and lived.

The trailer search was not routine.

It was deliberate.

And it remains one of the most telling — and least publicly understood — aspects of the investigation.

As the case continues, the forty-eight hours spent inside that small trailer may prove to be one of the most critical chapters in uncovering the truth.