093: Joseph Dizinno – FBI Laboratory, Katrinak Murder Case

FBI Retired Case File Review

Jerri Williams

True Crime, Interviews, Fiction, History, Fbi, Government, Truecrime

4.6 • 2.1K Ratings

🗓️ 23 November 2017

⏱️ 64 minutes

🔗️ Recording | iTunes | RSS

🧾️ Download transcript

Summary

Retired agent Dr. Joseph Dizinno, DDS. reviews the functions of FBI Laboratory and the investigation of the tragic murders of Joann Katrinak and her baby Alex where mitochondrial DNA analysis was first applied to forensic casework. He was part of the research team that developed and validated forensic mitochondrial DNA analysis capability, which enabled the FBI to obtain a DNA profile from evidence containing small or degraded quantities of DNA from hair, bone, teeth, and bodily fluids.

Prior to joining the FBI, Dr. DiZinno, who received a Doctor of Dental Surgery Degree from The Ohio State University in Columbus, Ohio. After three years in the field, he was promoted and transferred to the FBI Laboratory, where he began to specialize in the examination of hairs and fibers. Dr. DiZinno ended his Bureau career as the Director of the FBI Laboratory.

Check out episode show notes, photos, and related articles. https://jerriwilliams.com/joseph-dizinno-fbi-laboratory-katrinak-murder-case/

Buy me a coffee - https://www.buymeacoffee.com/JerriWilliams

Join my Reader Team to get the FBI Reading Resource - Books about the FBI, written by FBI agents, the 20 clichés about the FBI Reality Checklist, and keep up to date on the FBI in books, TV, and movies via my monthly email. Join here. http://eepurl.com/dzCCmL

Check out my FBI books, non-fiction and crime fiction, available as audiobooks, ebooks and paperbacks wherever books are sold. https://jerriwilliams.com/books/

Transcript

Click on a timestamp to play from that location

0:00.0	Welcome to episode 93 of FBI Retired Case File Review with Jerry Williams.
0:13.0	I'm a retired agent writing crime fiction inspired by true crime FBI cases.
0:18.8	Today we get to speak to retired agent Dr Joseph De Desino DDS, who served in the FBI for 22 years.
0:29.8	Prior to joining the FBI, Dr. Dezino, who received a doctorate of dental surgery degree from the Ohio State University in Columbus, Ohio, owned and operated a family dental practice.
0:45.0	He was initially assigned to the Washington Field Office
0:49.0	where he investigative reactive crimes.
0:52.0	After three years in the field, Dr. Desina was promoted and
0:56.4	transferred to the FBI laboratory where he began to specialize in the
1:01.9	examination of hairs and fibers. Dr. Desino served as a critical
1:08.4	investigative resource on many high-profile cases, including dental and DNA identification at the
1:17.6	Branch Davidian Colt Fire, kidnappings, and major extortion cases.
1:24.0	In this episode, Dr. DeZino
1:27.0	reviews the functions of the FBI laboratory
1:30.8	and the investigation of the tragic murders of Joanne Catranac and her baby Alex,
1:38.0	where mytrochondrial DNA analysis was first applied to forensic casework.
1:45.0	Dr. Dezino was part of the research team that developed and validated
1:50.0	forensic mitochondrial DNA analysis capability,
1:53.8	which enabled the FBI to obtain DNA profile
1:57.6	from evidence containing small or degraded quantities of DNA from hair, bone, teeth, and bodily fluids.
2:05.0	Dr. Dezino ended his Bureau career as the director of the FBI Laboratory
2:12.0	where he led more than 550 FBI laboratory personnel,
2:17.3	providing forensic examinations, technical support, expert witness testimony, and training to federal, state, and local law
	...

Please login to see the full transcript.

Previous episode | Next episode

Disclaimer: The podcast and artwork embedded on this page are from Jerri Williams, and are the property of its owner and not affiliated with or endorsed by Tapesearch.

Generated transcripts are the property of Jerri Williams and are distributed freely under the Fair Use doctrine. Transcripts generated by Tapesearch are not guaranteed to be accurate.