DNA led police to Mary Snyder Crumlich in the 40-year cold case of "Baby Mary," an infant left to die in the cold on Christmas Eve, 1984. Crumlich was sentenced to a year in jail.
Larry Webb, who was found to have murdered Susan and Natasha "Alex" Carter in 2000, died in prison hours before the victims' bodies were found, ending a cold case.
Police K-9 units were searching a wooded are in New York this week as the investigation into the Gilgo Beach murders continues after charges in just 4 of 11 cases.
Researchers who have dissected the traits of serial killers aim to improve detection methods and preventative strategies against extreme criminal behavior.
A 16-year-old girl believed to have been killed in 1969, has finally been identified 21 years after her remains were found after her DNA was matched to a relative who died on 9/11.
The family of an Oklahoma teen who was killed on Labor Day is still searching for answers as the Oklahoma Highway Patrol has listed his death as suspcious.
The Ventura Police Department says it has solved the 1991 cold case murder of 42-year-old Danielle Clause, who was found brutally attacked on a hillside.
Florida authorities have identified the remains of Mary Alice Pultz, a woman who was last seen by her family in 1968. Her skull was found at a St. Johns County beach in 1985.