How a dogged detective cracked a quadruple-murder cold case and revealed a suspected serial killer

In an exclusive interview with CNN, a Texas cold case detective discusses what it took for investigators to determine who is likely responsible for the murders of four girls in an Austin yogurt shop ...

Advanced DNA testing helps solve decades-old cold case of missing Napa woman

Thanks to advanced DNA technology, authorities say the identified human remains found 12 years ago belong to Velma Louise ...