Page 43 - Forensics Lab News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Leaving his shoe impression? >> the theory of any crime scene investigation is that the suspect is always going to leave something of themself at the scene or take something away that's going to link them to the crime. >> the shards were collected and sent to the forensics lab. >> glass is such a smooth, perfect surface that it's really the best surface we can possibly hope for to get a footwear impression on. >> the linoleum floor was dusted with a powder called aurora pink that sticks to any moisture present. then, using what is called an alternate light source, any powder that clings to the...

Who had prior arrests for petty theft and burglary. >> a suspect happened to be wearing spalding tennis shoes like we had told the investigators that they were looking for. >> since these are spaldings and we already know that we need spaldings, we needed to have these analyzed right away because this could be the big break in audrey's shooting. >> police sent the shoes to the forensics lab, where they were inked and printed. using transparent overlays, amy michaud compared them to the two partial prints found in audrey nichols' home. >> that was compared directly to the photograph of the foot...

The metal fragments found on arlene jensen's body and in her apartment were sent to the forensics lab for testing. under a microscope, scientists could see that the fragments were different shapes and sizes. the surfaces were corrugated and the composition of the metal varied from piece to piece. >> they were made of various types of steel, various grades of steel, various grades of brass. >> the unique shapes and the fact some were hollow were a clear indication of their origin. >> what that means to me is that's a piece of metal which is projected through the air. when it's projected through...

The other bedrooms. that's when we discovered the spent shotgun shell in one of the bedrooms. >> the shell was from a 16-gauge shotgun. it was immediately sent to the forensics lab for testing. an analyst placed it under a microscope to compare it to the 16-gauge shotgun shell found in the andrews' garage. he looked specifically at the brass casings at the base of the shells. when casings are ejected, each gun creates a unique mark on the brass. >> and depending on the amount of correspondence and the preponderance of these matching striations, an examiner can come to the conclusion as to whet...

Lee's dna sample was sent immediately to the forensics lab for testing. it matched the biological samples from all five victims. >> just a sense of relief and joy come over me. you know, and it's like, i had to smile. i said, "we got him." >> derrick todd lee was arrested and charged with first-degree murder. >> the first thing i would tell him is he's a coward. he picked on women. he took advantage of their good nature. >> after his arrest, investigators learned that lee's dna matched skin cells under the fingernails of yet another murder victim, an lsu student, 21-year-old geralyn desoto. pr...