Page 605 - Samples News Today

>> scheck and clark tell lowery not to celebrate yet. the evidence has been sitting in an unrefrigerated vault for 20 years. time, heat, bacteria, any one of them might have destroyed the dna and with it lowerys hopes for clearing his name. the innocence project makes the decision to send the rape evidence to a lab outside of san francisco. dr. edward blake is known for his skill in teasing dna from even the oldest and smallest samples. >> is the relevant biology there so that something useful c...

Smiling, having fun with her friends, having no idea that she would be dying at the hands of someone i believe was truly evil. >> during stephanies autopsy, the medical examiner found signs of sexual assault and recovered a dna sample. this sample was compared to dna samples of all criminal offenders in both the state and national dna databases. there were no hits. >> there was not a lot of other evidence that was found at the crime scene. it appeared almost like what the suspect brought with hi...

>> in 1981 when the victim was raped, semen samples were taken from her body, clothing, and bed sheets. if those old samples can be found and if they havent been ravaged by time, scientists can perform dna testing. since lowery is out of prison, he cant demand a test. he must ask for permission from the current riley county prosecutor bill kennedy. >> i remember distinctly were out on the front steps of the courthouse having a five-minute conversation, and his response to my request was, if you ...

Then wrote the inmates name on the vial containing his blood >> when samples are taken, there is a fingerprint that goes with the vial of the sample of blood. the individual who gave this blood obviously put their fingerprint on this vial. >> so prison officials compared the print on chad prices blood vial to chad prices fingerprint. >> the expert said thats not chad prices fingerprint on the vial. great. the next step. whose fingerprint is it? >> the unknown print was run through afis, or the a...

Creates a database to hold the dna information of known criminals. it takes some time for the system to get up to date with all the cases. in 2002 defense attorney plourd submits the crime scene evidence to the phoenix police department crime lab for new dna testing. >> the forensic biology screener initially took three samples from the breast area of the tank top because we knew that the victim was bit in the breast area, and i ran dna on all three of those samples. >> there is a hit. >> i had ...

And analyzed. dozens of items were submitted for dna testing. >> i ended up taking 70 samples of bloodstains from the crime scene and processing those all the way through for dna analysis. >> one bloodstain stood out from the others, a drop of blood on the comforter on top of the bed. this was different than the smudges that appeared elsewhere in the room. since the evidence indicated pat mcrae never entered the bedroom after he was stabbed, analysts thought this blood might be the killers. >> t...

Call him into the station. they have a search warrant. >> he brought me an interrogation. a hair sample and a cast of your teeth. then he took me into a room where there was a dentist chair. they had a dentist make casts, two upper and two lower. then had my lips spread open. had me move my chin around, snarl, grin, two hours of this. >> the forensic dentist compared his dental casts to the bite mark on anconas breast and conclude it is a match. saliva are samples show his blood type is consiste...

At the time. there was some discussion that she might not be guilty at all, and i felt it incumbent on me to study the facts, look at the evidence, and decide whether it really ought to be tried. >> mcelroy contacts medical experts at st. louis university. a toxicologist there tests the samples and confirms from his findings that ryans blood does contain high levels of ethylene glycol, a main ingredient of antifreeze. he then brings the sample to his colleague, dr. james shoemaker, to look for s...

On the electric blanket remains unidentified. >> investigators found no evidence that judy bruce and james isaac were anything more than acquaintances. next, investigators asked dick bisbing, senior researcher at mccrone associates, to analyze the dirt on the bottom of larry bruces shoes which were still in evidence. to do this, bisbing used a polarized light microscope. >> its like looking through polarized sunglasses and by manipulating the light we can see different optical properties, differ...

Been charged with first-degree murder was the gasoline found on the wood floors in the living room. but pauls defense team was suspicious of this finding. >> they took samples of the carpeting, the carpet padding, and some newspaper, and there was no gasoline in any of those samples. it was only in the hardwood floor. and it was just inconceivable, how can you pour gasoline in a family room and not get the gas on those other items if that was going to be the cause of the fire? >> so the defense ...