A blood trail found outside of Nancy Guthrie’s house could be associated with a bloody nose, a bloodstain pattern analysis expert said. Pima County Sheriff Chris Nanos said during a news conference on ...

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 ...

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 ...

An FBI specialist says blood found outside the home of missing Arizona woman Nancy Guthrie suggests she was carried out of the Catalina Foothills property rather than leaving on her own, offering one ...