An expert on bloodstain analysis testified Friday it appeared attempts had been made to clean up bloodstains in a Calumet City home in 2012, after Gena Chiodo was reported missing. The testimony came ...

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 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.