? the dallas county institute of forensic sciences, charles lynch discovered the most damaging piece of evidence contradicting darlie s intruder story. on one of the bread knives from the routier s kitchen, linch found a single fiberglass rod and some rubber dust. the cut window screen in the routier garage was made from polycarbide bundles. the interior bundle was found of fiberglass rods. the fiberglass rod found on the kitchen knife was identical to the fiberglass rod from the routier screen. linch could not find any other source of fiberglass inside the routier home that was similar. i was able to eliminate all the sources of fiberglass i could find as being a source.
so the conclusion is the fiberglass rod found on the bread knife may have come from the window screen. but not to the exclusion of all over sources. fbi profiler alan brantley was convinced there was no intruder. we have never seen a case where an offender comes from outside the residence, breaks into the home, takes a knife and go back outside the home and cuts the screen to come back in. those steps, that kind of behavior is just unnecessary to the commission of any kind of an offense unless you are attempting to make the scene look like something you should look like or you want other people to believe occurred. and again that is an element of staging. and on darlie s night shirt, scientists found cast-off blood spatter on the right shoulder area. dna testing revealed that the blood belonged to the two boys. some of those two stains are coming in a direction consistent