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The DNA match in 2001 that reopened the Green River case after a 1987 saliva sample stalled

The DNA match in 2001 that reopened the Green River case after a 1987 saliva sample stalled

In 1987, a man was questioned and gave a saliva sample.

The DNA technology of the time could not link him to the murders.

The sample was stored, filed, and left to sit for fourteen years.

In 2001, that same saliva sample was retested.

It matched semen found on several victims.

The man was Gary Leon Ridgway, a truck painter from Auburn, Washington.

He was married, employed, and lived an outwardly ordinary life.

The case itself had a name long before he did: the Green River Killer investigation.

It began in 1982, when bodies were found along the Green River.

The exact number of Ridgway's victims is not established.

Investigators believe the true number may be higher than the 48 he confessed to.

That remains a belief, not a record.

What the record does establish is a single, specific detail: a saliva sample that sat for 14 years.

What changed was the testing.

What changed was the match.

Who gave the sample? That was Ridgway.

Why did it take so long? That would require evidence.

1982–1987: THE STALLED SEARCH

The first bodies were found along the Green River in 1982.

They were young women, most of them sex workers, runaways, and drug users in the Seattle–Tacoma area.

The case became known as the Green River Killer investigation.

Detectives, led by the lead detective of the King County Sheriff’s Office, formed a task force.

At times it included dozens of officers.

They searched the riverbanks. They interviewed witnesses. They chased tips.

The case stalled for years.

In 1987, a man was questioned.

He gave a saliva sample.

The DNA technology at the time was insufficient to link him to anything.

So he left the room.

What exactly was discussed during that 1987 questioning is not in the record.

The interviews continued. The searches continued. The river gave up more bodies.

Each discovery reset the clock. Each victim narrowed the margin.

The task force kept working, but the trail had gone cold.

Not because they stopped looking. Because they had nothing to test against.

The sample sat in a file. The case sat in a drawer.

Years passed. The women kept being found. The suspect kept living an ordinary life.

It was a frustration the record does not soften: a suspect in the room, and no way to prove it.

2001: THE MATCH

The saliva sample from 1987 had sat in a file for fourteen years.

The DNA match in 2001 that reopened the Green River case after a 1987 saliva sample stalled

In 2001, improved DNA testing matched that saliva to semen found on several victims.

The match was the link the case had lacked.

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