There were differences in the samples recovered from the letters mailed to New York and those mailed to Senators Tom Daschle and Patrick J. Leahy.
Investigators have said that Mr. Malvo's DNA has been recovered from more than one shooting scene, including samples recovered from a grape stem and a candy wrapper.
Once Ballard's DNA was tested and Detective Ford learned that it matched the samples recovered from the crime scene, he confronted Ballard.
Artists intend to rely on photographs of the mural and paint samples recovered from scraping graffiti at the site to replicate the design and match the color of the paint used by Haring.
Trace DNA samples recovered from footprints in the Arctic snow have been used to reveal the bloody killing of a seal by a polar bear, which was joined by seagulls in devouring the corpse.
As the body of 23-year-old Hannah Witheridge was flown back to Britain by her family, officials said they believed samples recovered from the young woman belonged to two different Asian men.
Forensic experts testified that scientific evidence involving blood, semen, hair and DNA analysis had failed to uncover any links to the defendants, and that only soil samples recovered from the defendants' clothing "could have originated" at the secluded path where the attack took place.
Faced with the heart-rending but essential task of identifying victims of the attacks on the World Trade Center, the New York City medical examiner's office has made preparations to perform DNA testing on as many as 20,000 tissue samples recovered from the rubble, officials said yesterday.
Further, results of laboratory tests carried out on disturbed samples recovered from the test site are presented.
Elevated levels of alkanes, three times greater than background, were observed in samples recovered from five stations.
T.C., thermocouple Fig. 4 Backscattered electron images for the samples recovered from high pressure and high temperature (Run No. OS3099).
