Morning, everybody.

For those who you don't know, my name is Anne Marie Schubert.

I'm the District Attorney of Sacramento County.

I remember watching this press conference.

It was April of 2018, and the DA came out to make her announcement.

She's standing in front of a crime lab, surrounded by a bunch of cops.

And she was there to say that finally, almost cinematically, investigators had found the Golden State killer.

This man who had terrorized California throughout the 70s and 80s.

There were upwards of 50 rapes, 12 murders.

Crimes that spanned 10 years across at least 10 different counties.

Decades had passed. Law enforcement hit dead ends and then regrouped.

Amateurs on the internet swap theories.

And then, after more than 40 years, they got him.

And they'd done it by putting his DNA profile on genetic genealogy websites.

It is fitting that today is national DNA day.

We found the needle in the haystack, and it was right here in Sacramento.

Joseph James DiAngelo was arrested, pleaded guilty, and he's serving 26 life sentences.

And his case was billed as a triumph for crime-solving and genetic genealogy.

And it marked a seismic shift in how investigators use DNA in cold cases.

Do you remember what you thought when you heard that genetic genealogy had been such a big part of that

case? I was really intrigued because I have a biology background before I went to law school,

and I never thought that you would sort of come together in this way. That's Nillabala. She's a senior

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