"48 Hours" correspondent Erin Moriarty has learned a suspect has been identified in the 1991 murders of four teenage girls in an Austin, Texas, yogurt shop . This is according to one of the original investigators who worked the case.

That suspect is Robert Eugene Brashers, who is deceased, says retired Austin detective John Jones.

Brashers is a serial killer and rapist who committed at least three murders between 1990 and 1998 in the states of South Carolina and Missouri. He died in January 1999 by suicide during a standoff with police. The gun he used to shoot himself is believed to be consistent with a bullet casing found in a drain inside the yogurt shop, says Jones.

The connection between Brashers and the case was made through DNA, Jones told Moriarty.

Moriarty has reported on

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