Mystery DNA and forensic delays are complicating the investigation into Nancy Guthrie’s disappearance in Arizona.

Media, Pennsylvania (CNN) — Newly tested DNA evidence from the 1997 killing of a 70-year-old Pennsylvania woman indicates she was sexually assaulted and fatally beaten by an unknown man – and not by ...

The ongoing investigation into the disappearance of Nancy Guthrie, who is 84 years old, faces significant hurdles due to ...

Testimony in the murder and attempted murder trial of Vallejo resident David Ochoa Magana on Wednesday centered heavily on forensic evidence, including DNA analysis and ballistics testing tied to a ...

Forensic DNA helps Madison County charge Albert Lee Zigler in the 1993 Granite City murder of Randy Gail Sperino.

More than 100 days into the search for Nancy Guthrie, could a breakthrough be sitting in an FBI lab as we speak? WHAT is ...

A complicated day of testimony from the Connecticut Forensic Science lab on analysis done on samples sent from Jennifer Dulos’ home, garage, and cars investigators collected. The samples were sent for ...

MANASSAS PARK, Va. (7News) — CONTENT WARNING: The details in this story could be graphic to some. Viewer discretion is advised. Court documents revealed what DNA evidence was collected during the ...

A partially overhead image of a portion of a white bathtub that is nearly full of water. The metallic spigot and handles are on the left side of the frame, with tiles extending above the left side and ...