Skeletal remains found at a Springfield, Illinois, home have been identified as those of Michelle Renee "Shelly" Bianco, a local who disappeared in 2008.
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.