Nearly all states allow charges to be brought for certain rape cases decades after the crime. But the deadline in Massachusetts is only 15 years, even when police make a DNA match. Member station WBUR ...
A WBUR-ProPublica investigation found that no DNA match, testimony or even confession could allow a rape to be prosecuted ...
A California murder went unsolved for nearly 30 years, until one DNA match cracked the decades-old case. You can also get more behind-the-scenes of each week's episode by listening to "20/20: The ...