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Solutions for DNA backlogs

Explore the complexities of DNA backlog management in forensic science, addressing causes, trends, and solutions for efficient case processing and evidence tracking. Learn about key factors impacting backlog reduction and advancing DNA testing capabilities.

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Solutions for DNA backlogs

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  1. Solutions for DNA backlogs Peter M Marone Virginia Department of Forensic Science Texas Forensic Science Seminar October 7-8, 2010

  2. What is a backlog? • Not a backlog until over 30 days old • “If it’s in the lab, it’s backlog” • Police property room vs in the lab • Makeup of the cases

  3. With all effort and funding expended, why is there still a backlog? • Demand for DNA testing is increasing • ySTR • Property crime • Touch DNA • Increased number of samples comprising each case • Expansion of data bases to include arrestees and misdemeanors

  4. Exhibit 1.DNA casework trends: Supply, demand, backlogs

  5. Expansion of database samples • Over the last several years, the number of eligible crime types has increased • Arrestee testing begun in 2003 and crime types expanded over the years • Commitment to supporting resources at the same time as expanding databases is required.

  6. Exhibit 4.DNA database backlog trends from 2007-2008

  7. Evidence in law enforcement custody • Investigation shows the evidence is not probative • Charges dropped • Guilty plea already made • Case may be unfounded

  8. What needs to be improved • Improved training on the benefits, capabilities (and limitations), and use of DNA analysis • Information management systems needed to track evidence and it’s status • More standardization for evidence handling, storage and retention policies • Review practices?

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