Add Yahoo as a preferred source to see more of our stories on Google. “I doubt that she walked out because there were no voids,” O’Connell said during an appearance on Brian Entin Investigates on ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Blood spatter analysis will likely play a role in the Idaho murders ...

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, ...

CC0 Usage Conditions ApplyClick for more information. Today, bloodstain pattern analysis is routinely used in murder investigations - analysts draw on chemistry, mathematics and physics to determine ...