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This profile was last updated on 12/7/12  and contains information from public web pages.

Biological Sciences Section Super...

Local Address: Hauppauge, New York, United States
Suffolk County Crime Lab

Employment History

  • Supervisor, Biological Sciences Division
    Suffolk Crime Lab
  • Chief of the Biological Sciences
    Suffolk Crime Lab
  • Supervisor of the Biological Sciences Section
15 Total References
Web References
Joseph Galdi, Biological ..., 7 Dec 2012 [cached]
Joseph Galdi, Biological Sciences Section Supervisor Suffolk County Crime Lab North County Complex Building 487 725 Veterans Memorial Highway Hauppauge, NY 11787-0099 Phone: 631 853-5585 Fax: 631 853-5739 E-mail: This email address is being protected from spambots. - Long Island News [cached]
"It's improbable that any DNA would remain on a weapon left outside for 16 years," said Joseph Galdi, chief of the Suffolk Crime Lab's biological sciences section. - New DNA Tests Helped, 11 Oct 2001 [cached]
We're constantly amazed by what we can get DNA off of , said Joseph Galdi , supervisor of the Suffolk Crime Lab's biological sciences division.
Scientists recently swabbed the inside of a glove left at the scene of a burglary and were able to get a full DNA profile , Galdi said.And in the case of Kristin Scarabelli , authorities say the new DNA testing method linked next-door neighbor Stephen Manolis to an object found on her front lawn , where police say she was killed.
DNA tests available when she was killed five years ago could not have revealed the same information , forensic scientists said.
Crime scene investigators have relied on DNA evidence - sometimes called genetic fingerprinting - for more than a decade.The idea behind it is that DNA , the unique biological code found in the cells of every person , can be used to match blood stains , semen or saliva found at a scene or on evidence to a suspect or a victim.
Until two years ago , forensic scientists used two kinds of DNA tests , each with its own trade-offs.Restriction fragment length polymorphism , or RFLP , testing offered accurate results , but it was time-consuming and required a relatively large stain - about the size of half a dime , Galdi said.
The other method , polymerase chain reaction , or PCR , could be performed quickly on a much smaller sample but was less accurate.
The new method , short tandem repeats , or STR , offers the best of both methods.It is accurate enough in many cases to make a virtual match between a DNA sample and a specific person , even while using a tiny piece of evidence.
Cybergenetics :: New York State DNA Subcommittee scientists unanimously recommend regulatory approval of Cybergenetics TrueAllele for forensic casework, 20 May 2011 [cached]
At this final meeting, TrueAllele presentations were made by Cybergenetics Chief Scientific Officer Dr. Mark Perlin, NYS Forensic Investigation Center (FIC) Associate Director Dr. Russell Gettig, and Suffolk County Crime Lab Supervisor Joseph Galdi.
Interested candidates should forward a ..., 9 Feb 2011 [cached]
Interested candidates should forward a resume to Joseph Galdi - Supervisor of the Biological Sciences Section: or fax: 631 853-5739.
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