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

Complications in the Investigation of Nancy Guthrie's Disappearance The ongoing investigation into the disappearance of Nancy ...

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 ...

Forensic DNA evidence relies on understanding how genetic material is transferred, recovered and interpreted in criminal investigations. At its core are the processes of primary transfer, whereby DNA ...

More physical evidence has been recovered in the case against the Manassas Park man accused of killing his wife, Mamta Kafle ...

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 ...

Suggested Citation: "Executive Summary." National Research Council. 1996. The Evaluation of Forensic DNA Evidence. Washington, DC: The National Academies Press. doi: 10.17226/5141. This committee was ...

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 ...