Nancy Guthrie, the 84-year-old mother of 'Today' show co-anchor Savannah Guthrie, has been missing for more than a month.

This story is Part 3 of an ongoing series that runs through Monday. To catch up on stories published so far, go to News-Leader.com/ConvictedByBlood. A record number ...

image: Blood spatters are hydrodynamic signatures of violent crimes, often revealing when an event occurred and where the perpetrator and victim were located, and researchers have worked toward better ...

Physicists continue to contribute their unique insight into the forensic analysis of blood spatter patterns with two recent papers. The first, published in Physics of Fluids, offers a useful ...

“FIRE in the hole!,” yells bloodstain pattern analyst Shawn Harkins from inside the family room of an ordinary-looking suburban weatherboard house. The three of us standing outside the front door take ...

New findings by state forensic experts have indicated that the bloodstain pattern analysis that was instrumental in convicting a former high school principal in Texas of murdering his wife in 1985 was ...

Computers have found their way into a variety of areas in the forensic laboratory and the crime scene investigation process. One such area is bloodstain spatter analysis. The pattern of bloodstains at ...

A crime scene investigator who has worked more than 3,000 deaths uses his own blood on social media to teach the world how to approach the job. Jeffrey Gentry, 40, is a certified bloodstain pattern ...

Bloodstain Pattern Analysis (BPA) is an interdisciplinary forensic technique that utilises principles of fluid dynamics and high-resolution imaging to reconstruct the events of a crime. The approach ...