Three witnesses testified to the scientific validity of tool mark examination Wednesday in a hearing for James Genrich, who was convicted of setting a series of pipe bombs in Grand Junction in 1991 ...

A man convicted of planting pipe bombs in Grand Junction in the early 1990s was in court Tuesday in the second day of a three-day hearing attempting to get a new trial. Judge Richard Gurley heard ...

One area where these types of trace evidence can be found is when a tool or an object is used to commit the crime. This might represent a crow bar used to pry open a lock or break in to a safe, or an ...

DELPHI, Ind. ― An unfired .40-caliber bullet ejected from a semiautomatic pistol found on the ground between the bodies of Delphi teenagers Libby German and Abby Williams ties murder suspect Richard ...

Tania Brief, a senior staff attorney with The Innocence Project, is talking about a type of commonly used forensic examination accepted by law enforcement and courts for decades: tool mark analysis.