Every year without an arrest weakens it.
Witnesses die.
Memories fade.
Businesses close.
Neighborhoods change.
Records disappear.
The people involved become old.
Eventually, the fear emerges that everyone who knows the truth will die before the family ever hears it.
Yet Leon continued asking.
Investigators later described it as half his life.
Half his life spent looking for the killer.
He slowed down at times.
But the question never stopped.
Then detectives brought Leon and his wife into the station.
This time, they had an answer.
It was not Bill.
It was not a business conspiracy.
It was not a witness retaliation connected to the cafe break-in.
According to the investigation, Judy had encountered a stranger.
Mitchell Gaff.
A man already known for entering homes and attacking women.
The theory Leon had carried for decades collapsed in a single conversation.
That can be both relief and trauma at once.
For forty years, Leon had built a mental model of what might have happened.
Now investigators were replacing it with something else.
Something perhaps even more frightening.
Judy may not have been targeted because of who she was at all.
She may simply have been available.
A stranger chose her.
A stranger entered.
A stranger tied her.
And then she was dead.
There is something uniquely disturbing about random victimization.
A targeted murder at least provides the mind with a motive.
Business conflict.
Money.
Revenge.
Jealousy.
Random predatory violence offers nothing.
The victim did not make an enemy.
She did not create the danger.
The danger simply arrived.
That possibility matched the way Mitchell described his known crimes.
Driving.
Walking.
Looking.
A house catches his attention.
A door is unlocked.
Opportunity.
The person inside becomes an object.
That is all.
Investigators also explained to Leon what had happened in the later case involving the teenage sisters.
Mitchell had intended to kill them.
The sisters' resistance had interrupted him.
One saved the other.
They survived long enough to identify him.
That identification put Mitchell in prison.
The story raised another horrifying possibility.
Maybe Judy had been subjected to a similar attack only months earlier.
But unlike the sisters, she had not survived to identify him.
Detectives mentioned that Mitchell had left a lighter during the later offense.
They wondered whether he might have intended to start a fire.
That detail naturally echoed Judy's case, where firefighters had responded to a fire at her residence and discovered her body.
The source does not establish every detail of that connection conclusively, so it would be wrong to claim more than investigators themselves could prove.
But the similarity was difficult to ignore.
The interviews, forensic evidence, and old crime-scene material were now converging.
There was also Susan Vessie's murder.
Susan had been found dead in 1980.
That case had remained cold alongside Judy's.
Modern DNA analysis eventually connected Mitchell to both killings according to the source.
This meant police were no longer looking at one isolated murder.
They were looking at a pattern stretching across Mitchell's active years.
An assault in 1979.
Susan dead in 1980.
Judy dead in 1984.
The attack on the teenage sisters only months later.
And potentially other incidents Mitchell himself remembered only vaguely.
The phrase "crime spree" begins to make sense when the events are placed beside one another.
For decades, the justice system had treated those pieces separately because it could not prove they belonged to the same man.
DNA finally joined them.
This is what makes cold-case investigations so remarkable.
The detective working in 1980 may collect evidence without any realistic hope that it will identify someone.
The detective in 2024 looks at the same evidence through an entirely different scientific world.
What had once been silent can speak.
The killer has aged.
Maybe retired.
Maybe moved.
Maybe built relationships.
Maybe convinced himself the danger is over.
But the evidence has not aged in the same psychological sense.
It is still waiting inside a secure storage facility.
A ligature.
A swab.
A piece of clothing.
A stain.
A hair.
A microscopic collection of cells.
Somebody preserves it.
Then decades later, a laboratory extracts a profile.
The profile enters a database.
A name comes back.
Mitchell Gaff.
Then three undercover detectives knock on the suspect's door and ask if he wants to try some gum.
That detail almost sounds too strange for fiction.
The man who allegedly avoided responsibility for two murders for four decades was undone partly by chewing gum.
No dramatic chase.
No secret informant.
No hidden confession tape.
Saliva.
Discarded gum.
Science.
And patience.
Mitchell had survived the investigative technology of 1980.
He could not survive the technology of 2024.
That difference explains why cold-case units continue preserving evidence for decades.
Today's unsolvable case may become tomorrow's database match.
A killer may wait for the statute of limitations on lesser crimes.
Murder has no such protection.
Forty years can pass.
Police can still knock.
In Mitchell's interrogation, perhaps the clearest evidence that he understood this possibility came when he acknowledged that old conduct had crossed his mind over the years.
Something might come back.
Something disclosed in treatment.
Something investigators could eventually connect.
But knowing the past may return is different from expecting the police at your door on one particular morning.
By 2024 Mitchell was sixty-six.
The young man described in those old cases barely existed physically anymore.
Four decades had altered his appearance.
The victims had not received those decades.
Susan died at twenty-one.
Judy died at forty-two.
That is another cruelty of unsolved murder.
The offender gets older.
The victim does not.
The killer accumulates birthdays.
The family marks anniversaries.
The physical difference grows larger every year.
By the time Mitchell sat in the interrogation room, he had lived decades beyond the women whose deaths investigators were asking about.
And still he tried to create distance.
That was not who he was.
He did not think he hurt people in that way.
She was alive when he left.
Nobody died.
His DNA should not be there.
He could not remember.
Those statements form a pattern.
Admit everything around the center.
Resist the center itself.
He could discuss dehumanization.
He could discuss assault.
He could discuss tying women.
He could discuss the intention to kill the sisters.