A defense expert on blood pattern analysis said a bloodstain found on Dave Laut's cheek was caused when Laut's head was moved. Stuart James, founder of James and Associates Forensic Consultants Inc.

Crime scene analyst Matthew Steiner teaches the techniques forensics experts use to investigate bloodstain patterns, ranging from easy to difficult. Matthew explains how different types of forces ...

In general, bloodstain pattern analysis (BPA) refers to the collection and subsequent forensic analysis investigation of the size, shape, and distribution patterns of bloodstains found at a crime ...

A timeline of a niche, unproven discipline that gained a hold in the American justice system. A timeline of a niche, unproven discipline that gained a hold in the American justice system. By LEORA ...

Stripe patterns are commonly seen in nature—for instance, birds and fish move in coordinated flocks and schools, fingerprints ...

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 ...

Anyone who’s a fan of TV police procedurals and true crime knows that many cases hinge on blood pattern evidence. That’s nothing new. The first documented use of bloodstain pattern analysis, or BPA, ...

In Netflix’s “The Staircase,” Duane Deaver, a blood spatter analyst who worked for North Carolina’s State Bureau of Investigation, testified that blood stains at the bottom of author Michael ...

David Camm lost 13 years of his life to eight drops of blood. In 2000, the Indiana state trooper was charged with murder after finding his wife and two children shot to death in their home. During the ...