Not long into the trial, it became obvious that forensic science would play a make-it-or-break-it role in its outcome. Discussions of evidence found in blood-spatter patterns and in the DNA of blood ...

What could have been assumed and treated as the victim's blood stain was painstakingly separated to build separate profiles ...

For example, lab technicians may look at photographs of blood splatter patterns and conduct ballistics tests on bullets found at the crime scene to determine the direction from which a shot was fired.

including shoddy analysis of bite marks and blood splatter, and five years since federal researchers began issuing exacting new standards designed to make forensic science more reliable.

He spent almost a decade in prison before a retrial in 1966 acquitted him based largely on forensic blood spatter testimony. The case became one of the most famous and controversial murder ...