Page 45 - Forensics Lab News Today : Breaking News, Live Updates & Top Stories | Vimarsana

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 it's a piece of metal projected through the air. when it's projected through the air, m...

Florida before moving back to michigan. since both murder victims had been sexually assaulted and investigators had dna of the killer, they wanted to know whether it was gorton's dna. so they put gorton under a 24-hour surveillance. they followed him to a local roller skating rink where he took his children. undercover officers watched gorton eat pizza and drink soda from a styrofoam cup. when gorton left, an officer rushed to the table, confiscated gorton's cup, and took it to the forensics lab. the sample was tested immediately. >> dna is like any other biological molecule, subject to degrad...

He was 25-year-old kent embry, 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 directl...

You use to dust up the impression is very bright and so it makes a very good contrast. >> it was successful. they saw one clear print, the heel portion of the killer's left shoe. it appeared to be an athletic shoe. >> most of the prints you see are partial prints. you may sometimes get some full footwear impressions, but with people walking over on top of them, it can destroy the prints and many times you only get partial prints. >> back in the forensics lab, scientists saw what looked to be another shoe impression on a shard of broken glass. so, they placed it in a tank filled with heated sup...

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...