Forensic DNA Testing Laboratory
Unbiased, Independent Forensic DNA Testing


DNA Diagnostics Center (DDC) is the largest and most experienced private DNA testing laboratory in the world. Our fully accredited forensic laboratory provides unbiased independent forensic DNA testing and consultation services to legal and law enforcement professionals.

Our forensic services feature:

  • Expertise: Dr. Michael Baird, the first DNA expert to testify in a U.S. court, leads our forensics DNA laboratory.
  • Fast Turnaround: Accurate forensic DNA testing and case review results in 4 weeks or less.
  • Outstanding Client Service: Personalized, expert assistance from our case specialists.


Our forensic laboratory offers a variety of DNA testing systems to meet the needs of our clients. Our scientists utilize state-of-the-art equipment to provide evidence screening, serology testing, and DNA analysis. Our forensic services include:

STR Testing
Y-STR Testing
Forensic Paternity
Mini-STR Testing


DDC experts are committed to working with clients to evaluate submitted data and documentation of a case from beginning to end. By verifying that data produced by other laboratories supports their conclusions, our scientists can help clients re-evaluate the case and determine if further DNA analysis or review is necessary. Our unique scientific expertise is grounded in:

  • Extensive experience with case files from across the United States
  • Extensive Crime scene collection experience
  • Crime lab training


DDC Forensics analysts provide expert courtroom testimony by world-renowned, experienced geneticists who can deliver explanations of test results and procedures during court proceedings. Our DNA experts have:

  • Testified over 600 times in a court of law at the local, state and federal levels
  • Expertise in Y-Chromosome STR testing
  • Neutral and unbiased testimony for both prosecution and defense attorneys

DNA Analyzer "Hello Truth" Unveiled

"Hello Truth" has meaning for Robert McClendon, DDC's (DNA Diagnostics Center) first Innocence Network exoneree who was freed through forensic DNA testing in 2008. Even more so after the April 10, 2011, DDC Forensics unveiling of DDC's newly named DNA analyzer, "Hello Truth," in honor of McClendon and his poem by the same name. Just prior to the surprise unveiling, McClendon recounted his first-person story to the many guests attending the tour of DDC Forensics as part of the 2011 Innocence Network Conference held in Cincinnati, Ohio, the first gathering of international delegates and exonerees from around the United States. DDC is the largest provider of private DNA paternity and other DNA testing in the United States and worldwide. (More...)

DDC began its partnership with the Ohio Innocence Project in 2006. Today, DDC is proudly assisting Innocence Network projects nationwide. It is DDC's mission to provide impartial, unbiased DNA testing for all who seek the truth. For more information,
DDC Chosen for Forensic DNA Testing for Ohio

A 5-day series in The Columbus Dispatch published in January exposed flaws in Ohio's criminal justice system and its ability to use DNA evidence for possible exoneration of wrongfully convicted inmates. With the help of The Ohio Innocence Project, The Dispatch's yearlong investigation resulted in a list of 30 inmates whose cases and convictions are prime for DNA testing. DDC is pleased to announce that it will provide the appropriate DNA testing for these inmates in the interest of justice. To read a summary of The Dispatch articles and how DDC plans to help, click below.

Top 10 Frequently Asked Forensics Questions

A review of the most common questions asked by legal professionals in regards to forensic DNA testing: How much of an evidence sample is needed to obtain DNA results? Are your results compatible with CODIS? How do I interpret a forensic DNA report? This article will answer these questions and help you decide if DNA testing will help your case.

Learn how our forensic analysts screen and process evidence once a forensic case is submitted to DDC. See what happens next.

Most of the media choose DDC when they need DNA tests