By Bond Robertson 
On January 9, 1980, nursing student Susan Lee Wolfe was kidnapped, raped, and murdered.
The next morning, the body was found in an alley in Austin, Texas.
For a year after the murder, investigators followed up on leads and tracked down dozens of cars that matched witness descriptions. Over the years, police had 40 persons of interest and questioned a total of six suspects, write ABC News.
Despite this, the case remained unsolved year after year, but now the police believe they have found the culprit, the police state in the case. press release.
Because new DNA technology made it possible to test the discovery made in relation to the rape. The new test showed that the DNA found came from a man, but not from the six people who were previously suspected in the case.
The discovery was made through a DNA database called CODIS, and in March police received information that the DNA likely came from 78-year-old Dick Brewer Jr.
Child died in hot car
Brewer is currently in prison in Massachusetts after being convicted in an unrelated case.
Police interviewed Brewer, who admitted he was in Austin when the murders occurred, but asked for the right to an attorney when he was told that DNA had been found at the crime scene linking him to the case.
Police have now charged the 78-year-old with the murder of 25-year-old Wolfe.