Mom arrested for leaving baby in ditch in 1981

New DNA technology has led to the arrest on Friday of a South Dakota woman who is being charged with murder for allegedly leaving her newborn in a ditch 38 years ago.
1:30 | 03/08/19

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Transcript for Mom arrested for leaving baby in ditch in 1981
Attempts have been made in the intervening years with the assistance of the media attention to this case and I hope of generating heat stirring memories. We're burning conscience can pass. But the real trick or in this case came ten years ago when he caught the attention of crime against person detective Michael wept. Now after his persistence and sheer determination. To solve this case he has done so. And this morning and arrest me. The investigators we're really do looked diligently during that time. Whoever they did not have anything that we have today as far as DNA technology and the advances we have today. They were generally it's very quickly. There's a few phone call came. They were followed up to it won't answer that or old or romances or so opposite. Recently got note personal that warranted anything. That would point us to the spend. It's these are these are cold case. Don't fight human remains that there. Or aren't that DNA into. A facial reconstruction. In cases like this if there's DNA at the crime scene. They can enter that in certain elements which usually put a name like we do but to be here he's never had an inventory manager. And an end. That's lurking. Its. It's pretty amazing Hispanic and was always think it is.

This transcript has been automatically generated and may not be 100% accurate.

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