Showing posts with label disappearance. Show all posts
Showing posts with label disappearance. Show all posts

Pem Michelle Yates-Briggs - Missing Since 1979 From Oregon/California

Pem Michelle Yates-Briggs (NamUs MP118850)
Status: Missing Person
Sex: Female
Race/Ethnicity: White / Caucasian


Date of last contact: June 1, 1979 (Friday)
  • Note, this person was not reported missing until March 2024. That means that her disappearance date might be drawn from memory. "June 1" might be a placeholder date for any time in June or it might mean June 1. Her disappearance event is described as "an unknown date" in 1979.
Missing from: Oregon City, Oregon (97045), Clackamas County
Last known location: Oregon/California border, presumably she would have made it into California
Missing age: 16
DOB: March 31st, 1963 in Norfolk, Virginia
  • If I got the right person, then her birth name was not hyphenated (Pem Michelle Yates)
  • I assumed that her father's surname was Yates and mother's was Briggs (assumption)
Physical description:
Height: 5'3"–5'6" (63–66 in)
Weight: 110–125 lbs
Hair: Blond/Strawberry (shoulder length)
Eyes: Brown
Distinctive features:
  • Crooked front tooth
  • Cleft chin
Circumstances of disappearance (NamUs summary):

" On an unknown date in 1979, Pem left her home in Clackamas County, Oregon to search for her father in California. Her mother later received a phone call from a California police agency asking whether Pem had permission to cross the state line into California. Her mother said she did have permission; this was the last time Pem was heard from. Pem was not reported missing until March 2024."
NamUs case created: March 26, 2024

Other:
  • Attended Sam Barlow High School


The Disappearance of Pem Michelle Yates-Briggs (1979)

Recommended reading: Cold Cases of the Golden Coast – The Disappearance of Pem Michelle Yates-Briggs.

Pem has a landing page on Ancestry, if anyone is behind that site's paywall and wants to have a look: Pem on Ancestry. But a lot of what is stated there is the same as what's available online.

At first glance, I felt it might be tough to find an original fact to add to Pem's case. - Shane Lambert


Robert McKean - Missing in Whistler Since October 9th, 2023

Missing Whistler Resident Robert McKean

Community urged to stay vigilant for clues, including a small dog collar.

Who is Robert McKean?

Robert McKean, an 80-year-old Whistler, British Columbia resident, has been missing since October 9th, 2023, a Monday and Thanksgiving Day in Canada. He was last seen walking his small dog, Lexi, in the Alpine Meadows neighborhood. Despite extensive search efforts, neither McKean nor Lexi has been found, and the Whistler RCMP continues to seek public assistance. Below are the key details about McKean and his disappearance:

Detail Description
Name Robert McKean
Age 80 years old at the time of his disappearance
Gender Male
Date Missing October 9th, 2023 (Monday, Thanksgiving Day)
Last Seen Top of Alpine Way, Alpine Meadows, Whistler, BC, around 10:20 a.m. (last seen on a security camera); some sources mention the 8600 Block of Forest Ridge Drive (Pique News Magazine).
Clothing Green jacket, blue jeans, blue Vancouver Canucks hoodie, baseball cap
Health Condition Has dementia
Companion Lexi, a small white and ginger Cavalier Spaniel, likely wearing a blue harness with a blue and white checkered leash (Global News/Simon Little/October 16th, 2023).

The Search Effort

When Robert McKean went missing, the Whistler community rallied together. Over 300 search-and-rescue members from 21 teams, along with police, firefighters, drones, and volunteers, logged more than 2,600 hours searching for him. The effort focused on the Alpine Meadows area, including nearby trails like Rainbow Falls, Rainbow Lake, and 19 Mile Creek. Despite these efforts, the search was suspended on October 15, 2023, pending new leads. However, the investigation remains active as of August 2025, with the Whistler RCMP continuing to pursue any new information.

On August 3rd, 2025, I hiked Rainbow Falls and noticed an RCMP poster for McKean. The poster, shown below, features McKean, a lean individual, and his small dog, Lexi. It asks that anyone using the area be aware of this missing person.

Theories on Robert McKean’s Disappearance

What happened to Robert McKean is not known but his dementia is mentioned in numerous sources. This suggests that his mental health is thought to be a major factor in his disappearance, which would position this missing person's case as probably not clandestine in nature, in my opinion.

Below are some possible explanations:

  • Disorientation Due to Dementia: McKean’s dementia could have caused him to become disoriented while walking Lexi in Alpine Meadows. He may have wandered into a remote area, such as the dense forests or steep trails near Rainbow Falls or 19 Mile Creek. 
  • Accident in Remote Terrain: This theory cannot be separated from the dementia but McKean may have suffered an accident, such as a fall, in Whistler’s rugged terrain, which includes steep slopes, creeks, and dense forests near Alpine Meadows. His dementia could have led him to inadvertently enter an area like Rainbow Falls, where confusion could make navigation difficult.
  • Encounter with a Third Party: It’s possible McKean encountered someone while walking, either a passerby or someone who interacted with him. 
  • Natural Predation or Environmental Hazard: Whistler’s wilderness hosts wildlife like bears and cougars, and in October, bears undergo hyperphagia, a period of intense feeding before hibernation, making it a more dangerous time to hike. McKean or Lexi could have encountered a bear, though no evidence supports this.
Suicide is a possibility in most miss persons cases but I don't consider it probable in this case. McKean brought a pet with him. Pet owners care about their pets so someone going into the forest for suicide, in my opinion, probably wouldn't bring their pet out of concern that it would be in danger when the person died (ie. an owner killing himself would leave the pet vulnerable).

A Tiny Clue Could Make a Big Difference

Lexi, McKean’s small Cavalier Spaniel, was with him when he disappeared. This tiny dog, described as white and ginger, was likely wearing a blue harness with a blue and white checkered leash.

If you’re hiking in areas like Rainbow Falls or other Whistler trails on the north side of Alta Lake, keep an eye out for something as small as a dog collar or items matching the described pet paraphernalia. It might seem insignificant, but such a find could be a critical clue in locating McKean. Furthermore, these items would survive for a long time in the forest. Before discarding any item that looks like a dog collar, consider its potential importance—it could belong to Lexi and provide a lead in this ongoing case.

Community Vigilance

In spring 2024, the Whistler RCMP placed posters at key trailheads, including Rainbow Falls, Rainbow Lake, Rick’s Roost, and 19 Mile Creek Bridge, urging hikers to stay alert. These signs serve as a reminder that even months after McKean’s disappearance, the community’s role in noticing small details remains vital. Whether it’s a piece of clothing, a dog collar, or any unusual item, your observation could help bring closure to McKean’s family.

Last updated: August 4th, 2025

The Average Missing Person Case According to AI: Insights from My Blog

The Following is NOT a True Case of a Missing Person. Rather, it is content generated mainly by Grok, xAI's artificial intelligence. I uploaded numerous cases from this site and asked Grok to produce an average case.

I did take some personal liberties in editing what it spat out. My own comments appear in hard brackets [like this]. Also, I inserted some sentences myself.

I would say that this sounds a bit humorous at times. But there is something to learn from it as well.

- Shane Lambert

---------------------------------------------------------------------------------------------------------------------

The Disappearance of Alexis Z. Harper: Missing Since 1985 (FICTION)

On a quiet evening in the late summer of 1985, 18-year-old Alexis Z. Harper vanished without a trace, apparently into thin air [Yes, "without a trace" always is the phrase that gets used or "into thin air." Shane]

Alexis Z., a young woman standing about 5’4” tall and weighing around 115 pounds, had a slender build, long blonde-brown hair, and striking blue-brown eyes. [You know, blue-brown eyes. Shane] She was Caucasian. [Sorry, will try to do cases involving non-Caucasian males a little more often. Shane]

Known for a burn scar on her left arm and a small tattoo on her upper back, she was last seen in a small town on the west coast of either Canada or the USA—a vague location reflecting the scattered geography of her life. [Not sure where this came from. Usually, there is a fairly definite last sighting of her. Shane]

Born in the mid-1960s to a working-class family, Alexis Z. had recently moved out of her family home, seeking independence, and was working a part-time job, perhaps at a fast-food joint or diner, while navigating the challenges of young adulthood. [Okay, so people go missing as young adults because they are still naive about the world at a time when they have to go full steam ahead into it, I guess. Shane]

Details of Her Disappearance

That night in the summer of 1985, Alexis Z. was last spotted around 9:30 PM. The details are hazy: some say she was heading to a bus stop after dinner with friends, but possibly she was planning to hitchhike home. Others claim she was leaving her residence or a casual hangout at a bowling alley or restaurant.

They described her clothing from that night. But the inherent contradictions from numerous eyewitnesses only befuddled matters.

Some said, she had a beat-up sedan from the mid-1970s—maybe blue or tan. She had borrowed it from her family.

Others said perhaps she was on foot, relying on public transit or a ride from a stranger. When it came to light that her parents' vehicle was missing, this provided an investigation starting point.

Why didn't they mention this pertinent detail before? The public raised an eyebrow at the alcoholic father just as police began looking for the car. When the image of the vehicle appeared on TV, local philanthropists then posted posters in public.

Hesitant witnesses eventually came forward. They recalled seeing her with someone—a vague figure, possibly a man in his 20s or 30s, driving a sporty car like a Camaro—or maybe she was alone, stepping into the night to run an errand or escape a restless home life. [Ahhh the beauty of consistent eyewitnesses. Shane]

Weeks later, her car—or what might have been her car—turned up abandoned near a vineyard, about 10 miles from where she was last seen. The vehicle was a riddle: mud-splattered, with two or three flat tires, and personal items left inside for some reason. Wherever she went, she didn't need her wallet anymore.

Some speculated vandalism, others a "Good Samaritan’s Ruse"—a predator tampering with the car, alerting her to the problem but only to lure her into danger. Alternatively, she might have ditched it herself, packed her belongings, and hitched a ride that went wrong.

The police found no signs of a struggle, but foul play was suspected from the start. Her BMI of around 20 suggested a healthy yet slight frame, not someone who’d easily vanish unnoticed. Apparently, it was easier to make her disappear than the car she was driving.

Police budgets were sparse those days -- a sign of the times. Young people often got up and left entirely on their own account. So Alexis Z.’s disappearance stumped authorities.

At 18, she was caught between youth and independence—too old to be dismissed as a typical runaway, too young for her fate to fade quietly. Newspapers ran a few stories on her birthday and then on the same date every year that marked her disappearance's anniversary. Concerned citizens shook their heads over the demise of society.

The newspapers quoted her parents, who accepted that she was probably dead but still wanted closure. They asked for anyone to come forward or for the killer who must have taken her to clear his conscience.

But was it a random predator? Yes, it probably was because there were no known serial killers in the area. Or was it though? Yes, probably? But really? There were some stupid theories, like alien abduction.

As the years passed, many looked back at her case occasionally. Twenty years later, in hindsight, it was clear that there were in fact serial killers in her neighborhood.

In fact, one lived next door to her, but he kept silent when asked, which meant he would not be convicted until a scientist finally looked at the car with a microscope and found traces of his semen in the back seat. The serial killer then claimed the sex was consensual.

All along, someone she knew had known something. But she was tied to risky associations with street people and a quarrelsome boyfriend. The rumors had swirled: a hitchhiking mishap, a deliberate abduction, or just bad luck on a dark road. She was still missing because serial killers don't talk unless there is something in it for them.

So investigators searched nearby landfills, vineyards, and wooded areas, even tracking dogs along bus routes, but no body was found. Theories multiplied: some pointed to the car’s condition—flat tires and mud hinting at an off-road disposal—while others saw it as a red herring, the result of weeks of neglect or her own abandonment.

Hitchhiking, a dangerous habit she’d picked up, was another possibility, especially given her recent move and limited means. DNA wasn’t widely used then, and physical evidence was scarce. A Jane Doe found years later—small-statured, with long hair—briefly raised hopes, but the timeline didn’t align.

Decades passed. Alexis Z.’s case grew cold, filed away in the National Missing and Unidentified Persons System (NamUs) or Canada’s Missing database with a case number and a fading photograph. Her family submitted DNA in the 2000s, hoping for a match, but none came.

The bowling alley closed, the serial killer died in prison after mocking authorities, the place where she was last seen became a memorial, and the world simply moved on. Everyone had their own problems, even if they wanted her to be found.

Yet, every so often, a blogger or websleuth would unearth her story, piecing together scraps from old newspapers: "Has Alexis Z. Harper been found?" the Internet searchers often typed in.

As of March 11th, 2025, the answer remains no. Alexis Z.’s story lingers in the shadows, a haunting echo of the thousands lost to time, their fates locked in silence.

Explore more missing person mysteries on my blog! Share this story with friends and join the discussion!

Twitter Facebook Reddit

Read another intriguing case here!

Featured Post

Netanyahu Dead Rumors 2026: AI Deepfakes or Proof He's Alive? Societal and Legal Issues for Missing People

By: Shane Lambert Rumors claiming that Israeli Prime Minister Benjamin Netanyahu is dead or missing have surged across social media since ...

Best of MPC (as selected by the site's author)