Page 46 - Dna Analysis News Today

Investigators more sophisticated tools to work where. our cameras take you inside the nypds closely guarded forensic crime lab, a front line for catching criminals. better development techniques in the finter printing field showed detectives a clearer picture. so do evolving computer programs adsing greater detail to tracing ballistic evidence. advances in dna analysis are widely considered the most meaningful step forward toward solving more crimes. but the forensic searches just pieces of the ...

Science played a big part in olamide adeyooyes life. ever since she was a little girl, she dreamt of a career in medical research, and she was halfway there, entering her senior year at illinois state university. >> olamide liked science a lot. i could definitely see her going into the forensic field, working in the laboratory, doing dna analysis. >> olamide worked her way through school as a waitress. friday nights were usually the busiest. so it was unusual when olamide didnt show up one frida...

Ever since she was a little girl, she dreamt of a career in medical research, and she was halfway there, entering her senior year at illinois state university. >> olamide liked science a lot. i could definitely see her going into the forensic field, working in the laboratory, doing dna analysis. >> olamide worked her way through school as a waitress. friday nights were usually the busiest. so it was unusual when olamide didnt show up one friday when she was scheduled. the next day, she didnt ans...

Two days later, she was gone and pat was dead. >> she stripped sunday night, danced sunday night at the outer limits and then she and her boyfriend leave town. >> police issued an all points bulletin for laura england. in the meantime, at the crime scene, investigators made some important discoveries. first, there were bloody boot prints throughout the house and they had been made at two different times and several hours apart. >> you could see that someone had exited the house and then, apparen...

Problems. >> the initial dna analysis on the cup was a profile that showed a mixture. >> meaning that more than one person had used the cup. >> we had hoped that we would pick up dna just from the individual that drank out of the cup, but there was some indications that there was dna from more than one person there. >> but pcr dna testing showed a strong association between the dna on the cup and the biological evidence from the two crime scenes. and that was enough to get a search warrant for j...

Fell into the trunk of his cadillac. >> and information presented in this very television series suggested a new way to test them. >> i was watching one night and they had a story about out west in arizona had done a plant dna case. >> the crux of that investigation was a seed pod found in a suspects truck which was later matched with plant dna to the palo verde tree next to the victims body. ryan bolt contacted the scientist who pioneered plant dna analysis and asked them to test the oak leaf f...

Had passed and scientists were unable to extract any dna to the leaf. but to their credit, police didnt give up. investigators decided to retest the stains on the bedding from judy bruces bedroom. dna analysis, which didnt exist in 1978, determined that they were semen. one stain matched larry bruces dna, judys husband. the other did not. when judy was murdered, larry claimed that judy was having an affair with a co-worker, james isaac, who died in a suspicious traffic accident days after judys ...

Autopsy. she alerted them to start looking for something that looked curved in nature. >> at the crime scene, the area was littered with discarded tires. all were covered with brush, except for one, just 20 feet from gingers body. >> when they looked at it, they thought them saw the what might have been blood. they thought they saw what might have been some hair on the rim of the tire. >> the tire rim was rusty. so that may have actually led to the amount of hairs that were recovered when it was...

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...

So the new cold case unit began their investigates with the oak leaves found 20 years earlier in the trunk of larry bruces car. >> it was our theory when he opened the trunk to take the body out, some of the oak leaves fell into the trunk of his cadillac. >> and information presented in this very television series suggested a new way to test them. >> i was watching one night and they had a story about out west in arizona had done a plant dna case. >> the crux of that investigation was a seed pod...