On December 30, 2000, the Miyazawa family went to bed like any other Japanese family preparing for New Year's.
By the next morning, all four of them were dead.
And somehow, the person responsible left behind almost everything the police could have asked for.
His fingerprints.
His DNA.
His clothes.
His shoes.
His blood.
His bag.
His saliva.
He ate their food.
He used their toilet.
He didn't even flush.
And 25 years later, nobody knows who he was.
It started with a family going to bed.
Mikio and Yasuko Miyazawa lived in Setagaya, Tokyo, with their eight-year-old daughter Nina and six-year-old son Rei.
The family had spent the evening doing New Year's shopping.
Nothing seemed unusual.
After dinner, Yasuko went upstairs with Nina.
Rei went to sleep in his room.
Mikio stayed downstairs to finish some work on his computer.
At around 11 p.m., someone entered the house.
Mikio was attacked first.
Then the killer went upstairs.
Yasuko tried to protect Nina.
She couldn't.
By the time the night was over, all four members of the Miyazawa family were dead.
Nobody outside seemed to notice.
The next morning, Yasuko's mother, Haruko, started calling the house.
No one answered.
She went over herself.
She rang the doorbell.
Nothing.
Eventually, she used a spare key.
And walked into a house that had gone completely silent.
Mikio was lying near the stairs.
Upstairs, she found Yasuko and Nina.
Then she opened Rei's door.
At first, he looked completely normal.
Then she noticed the marks around his neck.
The entire family was gone.
And the killer was nowhere to be found.
Except he had left half his life behind.
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Except he had left half his life behind.
This is where the case gets genuinely bizarre.
Usually, when someone commits a murder, investigators are trying to find something.
A fingerprint.
A strand of hair.
A piece of clothing.
Anything.
The Miyazawa killer apparently decided to donate the entire starter pack.
He left his clothes.
His shoes.
His hat.
His jacket.
His shirt.
His side bag.
There was blood from injuries he had suffered during the attack.
There was food he had eaten.
There were traces of his saliva.
And then there were his fingerprints.
Everywhere.
He had even used the family's toilet.
And didn't flush.
So police had biological evidence from that too.
At this point, you would think the case was basically solved.
Right?
Wrong.
Because he stayed.
The killer apparently didn't just rush in, murder four people and run.
Investigators found empty ice cream containers, tea containers, bottles and melon peels scattered around the house.
It looked like he had spent hours there.
Imagine that.
A family is dead upstairs. And somewhere inside the same house, the killer is sitting around eating their food. He also used towels from the kitchen to treat his own injuries.
Then left those behind too.
He wasn't behaving like someone desperately trying to erase every trace of himself.
He was behaving like someone who didn't think he needed to. And that made the case even stranger. Because if this was a robbery, why stay for hours?
And if it was robbery, why leave the jewelry, credit cards, electronics and other valuables?
The killer only took around 150,000 yen from the family's cram school fees.
That's it.
Four people were dead.
The house was full of valuables.
And he barely took anything.
So what exactly had he come there for?
Then the police started putting together his face.
From the evidence, investigators believed the killer was right-handed.
His clothes suggested he was around 5'7".
His build appeared slim and athletic.
His clothing looked similar to what a young skater might wear.
His estimated age was initially between 15 and 40, before being narrowed to roughly 15 to 22.
Then came the shoes.
The killer had left footprints around the property and inside the house.
Police identified the brand and size.
Slazenger. 28 centimetres.
And there was a problem.
That particular shoe wasn't commonly available in Japan.
Police traced it to South Korea.
Suddenly, investigators were considering the possibility that their killer had connections to South Korea.
Then his DNA made things even stranger.
His genetic profile suggested a Southern European maternal lineage and Eastern Asian paternal lineage.
His DNA was considered unusual in Japan and more common in Korea.
Now this wasn't just a Japanese murder investigation anymore.
South Korea became relevant.
Interpol became involved.
The killer was being searched for internationally.
192 countries. (Don ko pakarna mushk- ohh wait- I am sorry-)
Still nothing.
And then came the sand.
Police examined the killer's side bag.
Inside was sand.
Not unusual by itself.
Except the sand appeared to come from multiple locations.
One source was in Japan.
The other was apparently from the Nevada desert in the United States.
More specifically, investigators linked it to the area around Edwards Air Base.
Excuse me???????
A Japanese family is murdered in Tokyo.
The killer's shoes point toward South Korea.
His DNA raises questions about his ancestry.
And now his bag contains sand apparently connected to a U.S. military area?
At this point, the case had stopped looking like a normal murder investigation and started looking like someone had deliberately scattered clues across three different countries.
But there was another clue the police still couldn't explain.
The statue.
Around 100 days after the murders, a 20-kilogram Jizo statue mysteriously appeared near the Miyazawa home.
Police were reportedly certain it hadn't been there before.
Jizo is a Buddhist figure traditionally associated with protecting children and travelers.
And because the statue was so heavy, investigators questioned how someone had placed it there without being noticed.
Was it connected to the killer?
Was it a message?
Was it completely unrelated?
Nobody knows.
And that became the theme of the entire investigation.
Every new clue seemed like it should bring them closer.
Instead, it opened another door.
They even had a possible suspect.
One of the strangest missed opportunities came shortly after the murders.
A man matching the general description of the killer was reportedly spotted at Tobu-Nikko Station.
He appeared to be around 30.
His height matched.
He was wearing a black jacket and jeans.
And he had deep wounds on his right hand.
He was seen treating those injuries at the station.
This was only hours after the murders.
You would think the police would be interested.
They weren't.
Investigators believed the killer would have fled the area immediately after the murders.
They didn't think he would still be nearby later that day.
So the lead was dismissed.
And the man disappeared.
ARE YOU KIDDING ME??? A NORMAL KILLER WOULD FLEE, YES, DEFINITELY BUT FROM WHAT ANGLE WAS THIS KILLER NORMAL?????
The shirt didn't help either.
Police traced the killer's striped shirt.
Only around 130 of that specific shirt had reportedly been sold.
That sounds promising.
Find the buyers.
Check them.
Find the killer.
Except investigators could only identify 12 of those purchasers.
None of them was him.
Another dead end.
Then they tried the killer's shoes.
Dead end.
The DNA.
Dead end.
The fingerprints.
Dead end.
The side bag.
Dead end.
The sand.
Dead end.
The statue.
Dead end.
And 25 years later...
The Miyazawa house has remained sealed for years.
The police officers who originally worked the case have retired.
New investigators have taken their place.
The case remains open.
And every year, Haruko has continued distributing posters and flyers asking for information about the person who killed her daughter's family.
Twenty-five years.
More than 13,000 anonymous tips.
Hundreds of thousands of investigators involved over the years.
Thousands of pieces of evidence.
And still nothing other than lots of dead ends.
Just a house full of clues.
And somewhere out there, a person who knows exactly what happened that night.
The strangest part isn't that the killer left no evidence.
He left too much.
He left enough for investigators to reconstruct pieces of who he was.
What he wore.
What size shoes he had.
What his DNA looked like.
What he ate.
Where he bled.
Where he walked.
Maybe even where his shoes came from.
And somehow, after all that...
he disappeared.
So here's the question that keeps bothering us:
Did the killer simply get unbelievably lucky?
Or did he leave all those clues because he knew the police would spend years looking in the wrong direction?
Because after 25 years, the biggest mystery isn't just who killed the Miyazawa family.
It's this:
How did someone leave almost everything behind and still manage to leave no identity?
And honestly?
That's the part of this case we can't get out of our heads.
Now, detectives, we have some questions..
With this much evidence left behind, how do you think the police still ended up with a dead end? Was there one crucial thing they missed, or were all those clues pointing them in the wrong direction from the beginning?
And what kind of man does this? Someone so confident he could leave his DNA, fingerprints, clothes, shoes and blood behind and know that he could never be caught… or someone who actually wanted to be caught, but somehow never was? Could getting away with it have been the real thrill?
Hit reply. We are waiting for your reply.
— The Crime Times
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